GATE Institute is looking for an active and result-oriented Expert Business development (European and other programs and initiatives) to enhance and develop further business opportunities for international and national research cooperation and funding of GATE research and innovation activities from public EU and national sources.

As an Expert Business development (European and other programs and initiatives) at GATE, you will be responsible for further development and expansion of GATE ecosystem with EU and other international organizations, academic institutions, research partners and associations.

You will manage the business development process from opportunity identification and research, through establishing and developing further the first contact to drafting a research project proposal in cooperation with other GATE departments and teams.

The ideal candidate for this role should demonstrate exceptional business development results, superb interpersonal skills, multi-tasking abilities, and excellent time-management.

The noteworthy Expert Business development (European and other programs and initiatives) should enhance the GATE ecosystem with valuable strategic partners and effectively deliver on GATE financing from public sources.

Responsibilities:

• Think strategically – seeing the bigger picture and setting aims and objectives in order to develop business opportunities for public funding of research and innovation activities.
• Work strategically – carrying out necessary planning in order to implement operational changes in the business development and project planning, management and reporting of research and innovation projects funded by European and national public sources.
• Research and identify new business and partnership opportunities in the European and national public sectors – including new trends, growth areas, funding programs, partnerships.
• Seek out the appropriate contact in public and corporate organisations of interest, generate leads and prospective partners, meet with face to face or over the phone, foster and develop relationships with prospected partners and stakeholders.
• Have a good understanding of the GATE research and innovation areas and capabilities and be able to present and advise others about them.
• Understand the needs of GATE stakeholders and partners and be able to respond effectively with a plan of how to meet these.
• Be able to draft research project proposals in cooperation with researchers and other GATE experts, liaise with the administration, finance, and legal teams as appropriate.
• Attend seminars, conferences and events where appropriate and train members of business development and research teams in new trends and programs, arranging external training.
• Discuss promotional strategy and activities with PR and Event management and seek ways of enhancing GATE image and ecosystem.
• Keep abreast of trends and changes in the applied research and its business aspects.

 

Requirements:

• At least 5 years of professional experience at a similar job position.
• Degree in Information technologies, Public/Business administration, Marketing, Communications, or related field is preferred.
• Additional specialization in planning, management, and reporting of projects with EU and national public funding is an advantage.
• Established international and national business network and personal contacts in the public domain will be considered as a strong advantage.
• Excellent oral and written English skills.
• Proficiency in MS Office.
• Team player with great interpersonal and communication skills
• Strong self motivation, result-orientation, organisational skills and attention to detail.
• Strong negotiation skills when dealing partners and contractors.
• Time-management skills and the ability to work under pressure.

 

Our offer:

• Work in an innovative, multicultural environment, with opportunities for acquisition of diverse experience and professional development
• Modern and appealing work environment, stirring up creativity and productivity
• Competitive working conditions and salary commensurate with your skills and experience.

 

How to apply

Please send your contact data and files with personal documents on our Application Form – Gate (gate-ai.eu)  until  July 31, 2025:

• Cover/motivation letter that explains the motivating factors for considering the position (max. 1 pp)
• CV
• Copies of diplomas for completed education and certificates of qualification
• Copies of documents certifying past work experience in the relevant field
• Two references letters or personal recommendations, arranged by applicants and directly submitted by the letter or provided as contact data in the cover letter
• As an attachment to your application please sign and enclose the following declaration:
  I consent to my personal data being collected, processed, and stored in connection with my current application for the position of Expert Business development (European and other programs and initiatives) .

Additional information on the site www.gate-ai.eu or contact us on: career@gate-ai.eu

By applying for these positions, you voluntarily provide your personal data and consent to be processed for the purpose of recruitment and selection of personnel. The processing of your personal data shall be carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Law and related legal acts in Bulgaria.

Recruiting stages

1. Evaluation of the documents submitted by the candidates and admission to the procedure of those meeting the requirements set out in the notice. The successful candidates will be informed by July 31, 2025.
2. An interview with the successful candidates will take place until August 8, 2025.
3. All interviewed candidates will be informed of the outcome of the competition.
4. The selected candidates will be appointed on a contract basis.

GATE is a joint initiative between Sofia University “St. Kliment Ohridski”, Chalmers University of Technology, Sweden and Chalmers Industrial Technology, Sweden. The Swedish institutions are leading organizations in strategic initiatives such as AI Sweden, AI Research Centre, AI Innovation of Sweden and the Digital Twin Cities Centre.

GATE develops research capacity and potential in Big Data and Artificial Intelligence, cultivating the next generation of leading scientists by expanding the existing research network and establishing long-term agreements with leading global organizations. The Institute builds sustainable stakeholder relationships, focusing on technological collaboration between government, industry, academia and non-governmental organizations towards Artificial Intelligence and smart decision-making models.

We use artificial intelligence for a better and safer life.

Responsibilities

• Develop, implement, and evaluate state-of-the-art neural network models.
• Collaborate with domain experts to apply ML solutions to real-world problems.
• Design and execute experiments, including dataset preparation, model training, and evaluation.
• Stay up to date with the latest advancements in deep learning and ML.
• Design and implement automated ML pipelines.

 

Skills, Experience and Qualifications

Essential

• Bachelor’s / Master’s degree in Mathematics, Physics, Computer Science, Artificial Intelligence, Data Science, or a related field.
• Proficiency in Python with a good grasp of PyTorch or other deep learning frameworks.
• Strong understanding of neural networks and deep learning architectures (Transformers, LLMs, RNNs, Graph Neural Networks, Computer Vision etc.)
• Experience in ML model development, including algorithm selection, fdata preparation, feature engineering, model training, hyperparameter tuning.
• Solid knowledge of statistics, probability, and mathematical foundations of ML.
• Self-motivated, independent, and passionate about applied research.
• Strong ability to analyze and solve real-world problems using ML techniques.
• Willingness to collaborate in an interdisciplinary environment.
• Fluency in English.

Additional Advantages

• Knowledge and experience in reinforcement learning

Why join our team?

• You will be provided with numerous opportunities for learning, knowledge exchange and career development, locally and internationally.
• Your work will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs.
• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• Cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

GATE is a joint initiative between Sofia University “St. Kliment Ohridski”, Chalmers University of Technology, Sweden and Chalmers Industrial Technology, Sweden. The Swedish institutions are leading organizations in strategic initiatives such as AI Sweden, AI Research Centre, AI Innovation of Sweden and the Digital Twin Cities Centre.

GATE develops research capacity and potential in Big Data and Artificial Intelligence, cultivating the next generation of leading scientists by expanding the existing research network and establishing long-term agreements with leading global organizations. The Institute builds sustainable stakeholder relationships, focusing on technological collaboration between government, industry, academia and non-governmental organizations towards Artificial Intelligence and smart decision-making models.

We use artificial intelligence for a better and safer life.

Responsibilities

• Participation in the development and maintenance of software, including designing, programming, testing, documenting, and implementing software and architectural solutions.
• Identifying technical issues and providing effective solutions.
• Ensuring the quality and security of developed software solutions.
• Monitoring industry trends and applying modern technologies or approaches.
• Timely reporting on project progress and informing about any changes in execution.
• Providing documentation and training on the technologies and systems used.
• Participating in the implementation of new technological solutions in the Institute.

 

Skills, Experience and Qualifications

• Higher education in one of the following fields and disciplines: technical and computer sciences, mathematics, informatics, communication, and computer engineering;
• A minimum of 5 years of work experience for the position, with at least 3 years of professional experience in the relevant field;
• In-depth knowledge and hands-on experience with various technologies and products (the list is not exhaustive or final):
  • Programming: Excellent proficiency in one or more programming languages (Python, Java, C++, JavaScript, C#, PHP, etc.).
  • Software Architecture: Understanding of software design principles, including modeling, modularity, and scalability.
  • Databases: Experience with relational (MySQL, PostgreSQL, SQL Server) and non-relational databases (MongoDB, Firebase).
  • Algorithms and Data Structures: Strong understanding of algorithms, data structures, and their application for performance optimization.
  • API and Web Services: Experience with RESTful and SOAP APIs, external service integration, and backend service development.
  • Version Control: Proficiency in version control systems such as Git (GitHub, GitLab, Bitbucket).
  • Testing and Debugging: Knowledge of automated testing techniques (unit, integration, end-to-end) and debugging tools.
  • Cybersecurity: Fundamental principles of software security (authentication, data protection, encryption).
  • DevOps and CI/CD: Experience with development automation tools and CI/CD pipelines (Jenkins, GitHub Actions, Docker, Kubernetes).
• Ability to collaborate and work in teams with international partners;
• Motivation for professional development and a passion for work;
• Fluency in English.

Additional Advantages

• Knowledge of the principles, tools, and technologies for data sharing;

Why join our team?

• You will be provided with numerous opportunities for learning, knowledge exchange and career development, locally and internationally.
• Your work will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs.
• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• Cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

GATE is a joint initiative between Sofia University “St. Kliment Ohridski”, Chalmers University of Technology, Sweden and Chalmers Industrial Technology, Sweden. The Swedish institutions are leading organizations in strategic initiatives such as AI Sweden, AI Research Centre, AI Innovation of Sweden and the Digital Twin Cities Centre.

GATE develops research capacity and potential in Big Data and Artificial Intelligence, cultivating the next generation of leading scientists by expanding the existing research network and establishing long-term agreements with leading global organizations. The Institute builds sustainable stakeholder relationships, focusing on technological collaboration between government, industry, academia and non-governmental organizations towards Artificial Intelligence and smart decision-making models.

We use artificial intelligence for a better and safer life.

For our team we are looking for young at heart, motivated for high results and open to the unlimited possibilities of the future.

Responsibilities

• Conduct applied research in deep learning methods across multiple domains.
• Develop, implement, and evaluate state-of-the-art neural network models.
• Write and publish research papers in top-tier ML/AI conferences and journals.
• Collaborate with domain experts to apply ML solutions to real-world problems.
• Design and execute experiments, including dataset preparation, model training, and evaluation.
• Build and maintain automated ML pipelines;
• Scientific paper writing;
• Keep up-to-date with the latest technology trends;
• Engage in appropriate training and development opportunities.

 

Skills, Experience and Qualifications

Essential

• Junior researcher: А minimum of bachelor’s or master’s degree in in computer science, applied mathematics, engineering, or in a related discipline;
• Experienced researcher: A PhD Degree in computer science, geoinformatics/geomatics, engineering, or in a related discipline or a Master’s Degree plus a minimum of 4 years industry-based relevant research experience;
• Proficiency in Python with a good grasp of PyTorch or other deep learning frameworks.
• Strong understanding of neural networks and deep learning architectures (Transformers, LLMs, RNNs, Graph Neural Networks, Computer Vision etc.)
• Experience in ML model development, including algorithm selection, fdata preparation, feature engineering, model training, hyperparameter tuning.
• Solid knowledge of statistics, probability, and mathematical foundations of ML.
• Self-motivated, independent, and passionate about applied research.
• Strong ability to analyze and solve real-world problems using ML techniques.
• Willingness to collaborate in an interdisciplinary environment.
• Fluency in English.

 

Why join us as Researcher?

• You will be able to conduct industrially-relevant, applied research without the stress of the industrial environment;
• You will constantly develop your knowledge and skills as a natural consequence of your daily research responsibilities;
• You will join and collaborate with a team of researchers, but will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future;
• Your research will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs;
• You will be able to participate in cross-cutting research with other research groups at the Institute;
• You will be able to disseminate your achievements through publications in world-class scientific journals and participation in international conferences;
• You will be able to benefit from numerous training, knowledge exchange and professional development opportunities at national and international level.

 

Why join our team as an Employee?

• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• Cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

GATE is a joint initiative between Sofia University “St. Kliment Ohridski”, Chalmers University of Technology, Sweden and Chalmers Industrial Technology, Sweden. The Swedish institutions are leading organizations in strategic initiatives such as AI Sweden, AI Research Centre, AI Innovation of Sweden and the Digital Twin Cities Centre.

GATE develops research capacity and potential in Big Data and Artificial Intelligence, cultivating the next generation of leading scientists by expanding the existing research network and establishing long-term agreements with leading global organizations. The Institute builds sustainable stakeholder relationships, focusing on technological collaboration between government, industry, academia and non-governmental organizations towards Artificial Intelligence and smart decision-making models.

We use artificial intelligence for a better and safer life.

For our team we are looking for young at heart, motivated for high results and open to the unlimited possibilities of the future

Your responsibilities:

• Designs, implements and supports complex data models data in the domain of social media analysis;
• Develops solutions for extracting data from different sources: text documents, relational data bases, etc.
• Develops models which help in the analysis of social media content;
• Teaches in programs in the domain of analysis of natural language and social media contents;
• Participates in research on methods for analysis and content analysis in Bulgarian and other languages;
• Develops ontologies to present the data semantics;
• Keeps themselves up to date with the newest technological trends.

 

Our requirements:

• Junior researcher: А minimum of bachelor’s or master’s degree in in computer science, computational linguistics, natural language processing, or another technological or philological area;
• Experienced researcher: A PhD Degree in in computer science, computational linguistics, natural language processing, or another technological or philological area or a Master’s Degree plus a minimum of 4 years industry-based relevant research experience;
• Experience in the analysis of social media data;
• Experience in tools for collecting social media data, e.g. Crowdtangle, APIs for Twitter, YouTube;
• Experience in developing models and machine learning, e.g. Python
• Excellent written and oral communication and presentation skills;
• Ability to prioritize tasks and work on multiple tasks and motivation for achieving high quality results;
• Fluency in English.

Our offer:

• You will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future
• You will be provided with numerous opportunities for learning, knowledge exchange and career development, locally and internationally
• Your research will be supported by an advanced research infrastructure, comprising of the GATE platform and Open Innovation Labs
• You will have a flexible work schedule and, modern and appealing work environment, stirring up creativity and productivity;
• Competitive working conditions and a salary commensurate with your skills and experience

 

How to apply:

Please send your contact data and files with personal documents on our Application Form – Gate (gate-ai.eu)  until 31 August 2025:

• Cover/motivation letter that explains the motivating factors for considering the position (max. 2 pp)
• CV
• Copies of diplomas for completed education and certificates of qualification
• Copies of documents certifying past work experience in the relevant field
• Two references letters or personal recommendations, arranged by applicants and directly submitted by the letter or provided as contact data in the cover letter
• As an attachment to your application please sign and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to be processed for the purpose of recruitment and selection of personnel. The processing of your personal data shall be carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Law and related legal acts in Bulgaria.

Selection stages:

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labor contract.

GATE Centre of Excellence “Big Data for Smart Society” is a research institute, established in 2019 in Sofia, Bulgaria as a joint initiative between Sofia University Bulgaria, Chalmers University of Technology (Chalmers) and Chalmers Industrial Technology (CIT), Sweden.

GATE’s mission is to:

• Establish a world-class ecosystem for basic and applied Big Data and Artificial Intelligence research and innovation
• Be a focal point between academia, government and industry for Big Data and Artificial intelligence domain
• Serve as a catalyst for economic growth based on data-science innovation, digitalization, and knowledge-based entrepreneurship across various economic sectors.

GATE creates value and delivers innovation excellence into the following four strategic application themes:

• Future Cities
• Intelligent Government
• Smart Industry
• Digital Health

With respect to its intensive development, GATE CoE is looking for Researchers in Ontologies and Knowledge graphs (R1, R2).

Responsibilities

• Design, implement and maintain complex Linked Data models;
• Uncover data and their relationships from a variety of sources: relational databases, flat files and RDF documents, others;
• Provide efficient data integration in GATE application domains;
• Create and instantiate OWL ontologies to expose semantics encoded in the data;
• Construct and maintain ETL pipelines to keep Linked Data resources up to date from various sources;
• Scientific paper writing;
• Keep up-to-date with the latest technology trends;
• Engage in appropriate training and development opportunities.

 

Skills, Experience and Qualifications

Essential

• Junior researcher: А minimum of bachelor’s or master’s degree in in computer science, applied mathematics, engineering, or in a related discipline;
• Experienced researcher: A PhD Degree in computer science, geoinformatics/geomatics, engineering, or in a related discipline or a Master’s Degree plus a minimum of 4 years industry-based relevant research experience;
• Expertise with two or more of the following technologies Graph and Semantic technologies such as Neo4J, Graph DB / Triple Stores like Stardog, NoSQL DBs, SPARQL, Cypher, Gremlin, Protégé, RDF, OWL, R2RML;
• Familiarity with graph Analytics & Inferencing / Visualization tools such as Cytoscape, Cytoscape js, Gephi, GraphViz, Neovis.js and especially related to GIS: Leaflet.js, Folium and similar;
• Knowledge of and experience in implementing Object Oriented design and experience in at least one programming language like Java, Scala, C++, C# or similar and at least one scripting language such as Python or R;
• Solid oral/written communication and presentation skills in order to explain the outcome of the research (and the value thereof) to coworkers and peers;
• Ability to prioritize tasks and work on multiple assignments, and a deep desire to find ways to create value and deliver results.
• Fluent English is a must.

Experience with one or more of the following

• Experience or familiarity with AI and Machine learning concepts: Supervised and Unsupervised machine learning, Neural Networks, Support vector machines, Kernel methods;
• Experience in working with Jupyter Notebook/Jupyter Lab and other tools for reproducible research;
• Experience in domains where knowledge graphs can be applied like GIS, Bioinformatics and Health.

 

Why join us as Researcher?

• You will be able to conduct industrially-relevant, applied research without the stress of the industrial environment;
• You will constantly develop your knowledge and skills as a natural consequence of your daily research responsibilities;
• You will join and collaborate with a team of researchers, but will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future;
• Your research will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs;
• You will be able to participate in cross-cutting research with other research groups at the Institute;
• You will be able to disseminate your achievements through publications in world-class scientific journals and participation in international conferences;
• You will be able to benefit from numerous training, knowledge exchange and professional development opportunities at national and international level.

 

Why join our team as an Employee?

• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• Cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

GATE Centre of Excellence “Big Data for Smart Society” is a research institute, established in 2019 in Sofia, Bulgaria as a joint initiative between Sofia University Bulgaria, Chalmers University of Technology (Chalmers) and Chalmers Industrial Technology (CIT), Sweden.

GATE’s mission is to:

• Establish a world-class ecosystem for basic and applied Big Data and Artificial Intelligence research and innovation
• Be a focal point between academia, government and industry for Big Data and Artificial intelligence domain
• Serve as a catalyst for economic growth based on data-science innovation, digitalization, and knowledge-based entrepreneurship across various economic sectors.

GATE creates value and delivers innovation excellence into the following four strategic application themes:

• Future Cities
• Intelligent Government
• Smart Industry
• Digital Health

With respect to its intensive development, GATE CoE is looking for Researchers in NLP and LLMs (R1, R2).

Responsibilities

Common

• Develop and fine-tune large language models (LLMs) for NLP applications such as text generation, summarization, retrieval, and classification.
• Implement retrieval-augmented generation (RAG), fine-tuning, and parameter-efficient tuning (LoRA, adapters, etc.).
• Optimize transformer-based architectures (GPT, BERT, T5, LLaMA, Mistral, Falcon, etc.) for efficiency and accuracy.
• Design and optimize prompt engineering strategies to improve LLM performance across different tasks.
• Research and apply advanced prompt engineering techniques, such as chain-of-thought reasoning, self-consistency, few-shot learning, and instruction tuning.
• Collaborate with cross-functional teams to integrate NLP solutions into real-world applications, including conversational AI, document intelligence, and enterprise search.
• Stay updated with the latest advancements in NLP, deep learning, and generative AI research.
• Disseminating results through scientific publications.

Engage in appropriate training and development opportunities.

One or more of the following responsibilities

• Work with vector databases (FAISS, Weaviate, Pinecone), embeddings, and knowledge graphs to improve AI retrieval capabilities.
• Deploy models on cloud platforms, edge devices, and scalable AI inference systems.

 

Skills, Experience and Qualifications

Essential

• Junior researcher: А minimum of bachelor’s or master’s degree in Computer Science, Artificial Intelligence, Applied Mathematics, Engineering, or a related discipline;
• Experienced researcher: A PhD Degree in Computer Science, Artificial Intelligence, Applied Mathematics, Engineering, or a related discipline or a Master’s Degree plus a minimum of 4 years of industry-based relevant research experience;
• Strong background in NLP, deep learning, and transformer-based architectures.
• Experience with LLMs (GPT, BERT, T5, LLaMA, Mistral, Falcon, etc.) and fine-tuning techniques.
• Expertise in prompt engineering strategies for task-specific and general-purpose LLM applications.
• Proficiency in Python, PyTorch, TensorFlow, Hugging Face Transformers.
• Experience with LLM fine-tuning, RLHF, and model compression (quantization, distillation).
• Solid oral/written communication and presentation skills to explain the outcome of the research to coworkers and peers;
• Ability to prioritize tasks and work on multiple assignments, and a deep desire to find ways to create value and deliver results.
• Fluent English is a must.

Experience with one or more of the following

• Familiarity with vector databases (FAISS, Weaviate, Pinecone), RAG, and knowledge graphs.
• Understanding of LLM inference optimization (ONNX, TensorRT, Triton Inference Server, vLLM, DeepSpeed).
• Experience in chatbot development, enterprise AI, or search/recommendation systems.
• Demonstrated academic and other outputs in the form of scientific publications in NLP/AI, grants, fellowships and/or public repositories such as GitHub.

 

Why join us as a Researcher?

• You will be able to conduct industrially-relevant, applied research without the stress of the industrial environment;
• You will constantly develop your knowledge and skills as a natural consequence of your daily research responsibilities;
• You will join and collaborate with a team of researchers, but will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future;
• Your research will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs;
• You will be able to participate in cross-cutting research with other research groups at the Institute;
• You will be able to disseminate your achievements through publications in world-class scientific journals and participation in international conferences;
• You will be able to benefit from numerous training, knowledge exchange and professional development opportunities at national and international level.

 

Why join our team as an Employee?

• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• Cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

GATE Centre of Excellence “Big Data for Smart Society” is a research institute, established in 2019 in Sofia, Bulgaria as a joint initiative between Sofia University Bulgaria, Chalmers University of Technology (Chalmers) and Chalmers Industrial Technology (CIT), Sweden.

GATE’s mission is to:

• Establish a world-class ecosystem for basic and applied Big Data and Artificial Intelligence research and innovation
• Be a focal point between academia, government and industry for Big Data and Artificial intelligence domain
• Serve as a catalyst for economic growth based on data-science innovation, digitalization, and knowledge-based entrepreneurship across various economic sectors.

GATE creates value and delivers innovation excellence into the following four strategic application themes:

• Future Cities
• Intelligent Government
• Smart Industry
• Digital Health

With respect to its intensive development, GATE CoE is looking for Researchers in Image Processing and Visual Data Analytics (R2, R3).

Responsibilities

• Develop new methods, models, and algorithms for processing visual information;
• Lead teams of researchers, analysts, software developers, and engineers working on projects requiring Image Processing and Visual Analytics on the desktop, on the server, and on the cloud;
• Develop capacity and build potential for working on projects requiring visual information processing within the Lab;
• Keep up-to-date with the latest technology trends and relevant technical standards in the area of visual information processing, such as Deep Machine Learning for Visual Data Analytics, Generative AI for Visual Applications, Explanatory AI, etc.;
• Scientific paper writing;
• Engage in appropriate training and development opportunities.

 

Skills, Experience and Qualifications

• Experienced researcher (R2): A PhD Degree in computer science, data science, or software engineering, or a Master’s Degree in these fields plus a minimum of 4 years of industry-based relevant R&D experience;
• Established researcher (R3): A PhD Degree in computer science, data science, or software engineering, or a Master’s Degree in these fields plus a minimum of 7 years of industry-based relevant R&D experience;
• Knowledge of the methods of Mathematical Foundations of Computer Graphics, Deep Learning for Visual Information Processing (i.e., CNN), and experience in applying them in visual information processing;
• At least 3 years of industrial experience working as a software developer, data analyst, software or data engineer;
• Proven record of projects for processing visual information and visual data analysis;
• Scopus-indexed publications in the area of visual information processing or data analysis;
• Proficiency in programming using C/C++ and Python. esp. memory management, multithreading, etc.
• Experience working under both Windows and UNIX OS (Linux, Mac OS, Solaris, etc.)
• Advanced communication, presentation, and influencing skills to be able to explain the value of their research to the research community;
• Fluency in English.

Optional

• Participation in innovation, knowledge transfer and commercialization projects;
• Practical skills of using Unity, Unreal, Volcan and OpenGL
• Past experience of working with a wide variety of constituents and stakeholders;
• Teaching practice in Higher Education in the area of computer vision, computer animation, image processing or visual data analysis;
• Practical Skills in using other programming languages such as Java, C#, R, and others;
• Ability to find ways to create value and deliver results by working both independently and as part of a team with professionals at all levels and of various disciplines.

 

Why join us as Researcher?

• You will be able to conduct industrially-relevant, applied research without the stress of the industrial environment;
• You will constantly develop your knowledge and skills as a natural consequence of your daily research responsibilities;
• You will join and collaborate with a team of researchers, but will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future;
• Your research will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs;
• You will be able to participate in cross-cutting research with other research groups at the Institute;
• You will be able to disseminate your achievements through publications in world-class scientific journals and participation in international conferences;
• You will be able to benefit from numerous training, knowledge exchange and professional development opportunities at national and international levels.

 

Why join our team as an Employee?

• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and an understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• A cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us at:

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

 

GATE Centre of Excellence “Big Data for Smart Society” is a research institute, established in 2019 in Sofia, Bulgaria as a joint initiative between Sofia University Bulgaria, Chalmers University of Technology (Chalmers) and Chalmers Industrial Technology (CIT), Sweden.

GATE’s mission is to:

• Establish a world-class ecosystem for basic and applied Big Data and Artificial Intelligence research and innovation
• Be a focal point between academia, government and industry for Big Data and Artificial intelligence domain
• Serve as a catalyst for economic growth based on data-science innovation, digitalization, and knowledge-based entrepreneurship across various economic sectors.

GATE creates value and delivers innovation excellence into the following four strategic application themes:

• Future Cities
• Intelligent Government
• Smart Industry
• Digital Health

With respect to its intensive development, GATE CoE is looking for a DevOps Engineer.

Responsibilities

Common

• Streamline DevOps practices across multiple research teams, including city planners, political scientists, mathematicians, data scientists, and AI researchers.
• Introduce and maintain best practices in containerization (Docker, Kubernetes) and infrastructure-as-code solutions to ensure scalability and reliability.
• Architect and implement end-to-end automation pipelines supporting the full lifecycle of research, including data ingestion, model training, and deployment.
• Design and maintain infrastructure for high-performance computing (HPC), including clusters, advanced GPUs, and large-scale storage systems.
• Ensure reliability, observability, and security of infrastructure through robust monitoring, logging, and alerting systems.
• Troubleshoot infrastructure and deployment issues proactively.
• Collaborate closely with researchers, software developers, and external academic and industry partners to improve CI/CD workflows.
• Provide clear and updated documentation of infrastructure, pipelines, and automation processes.

One or more of the following responsibilities

• Evaluate new DevOps tools and technologies to improve existing workflows.
• Mentor or support team members and research partners in adopting DevOps practices.
• Contribute to proposals for acquiring additional computational resources or tools.

 

Skills, Experience and Qualifications

• Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or related fields, or equivalent practical experience.
• Experience in designing scalable infrastructure architectures and deployment pipelines.
• Proficiency in containerization tools (Docker, Kubernetes) and CI/CD platforms.
• Hands-on experience with automation and orchestration tools, and scripting languages (Python, Bash, Ruby).
• Solid understanding of Linux/UNIX operating systems, networking fundamentals, and security best practices.
• Proven ability to manage and troubleshoot HPC resources or large-scale computational infrastructure.
• Good collaboration and communication skills, including the ability to clearly explain technical solutions to researchers from diverse backgrounds.

Why join our team?

• You will have the freedom to design and shape our DevOps infrastructure, unconstrained by legacy systems, enabling you to implement modern best practices and technologies.
• You will have access to powerful research infrastructure, including HPC clusters equipped with GPUs and advanced storage solutions.
• You will benefit from numerous opportunities for professional growth and career development, both locally and internationally.
• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and an understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• A cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us at:

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

The GATE Institute is seeking to appoint an Experienced Researcher, System Analyst, or Software Engineer to work in the Data Engineering Division of GATE to support the utilization of the GATE Data Platform, the Cloud technologies, the Agile methodologies for software development and DevOps practices in the strategic application domains of GATE Institute – Future Cities, Digital Healthcare, Smart Industry, and Electronic Government.

Responsibilities

• Develop new methods, models, algorithms and software for modelling, processing and analysing data on public and private clouds
• Provide professional mentoring, lead teams of software developers and support research and innovation projects on the GATE Data Platform;
• Develop capacity and build potential for working on projects utilizing DevOps practices;
• Keep up-to-date with the latest technology trends and relevant technical standards in the area of Cloud Computing and Agile Software Development;
• Scientific paper writing;
• Engage in appropriate training and development opportunities.

 

Skills, Experience and Qualifications

• Experienced researcher (R2): A PhD Degree in computer science, data science, or software engineering, or a Master’s Degree in these fields plus a minimum of 4 years of industry-based relevant R&D experience;
• Established researcher (R3): A PhD Degree in computer science, data science, or software engineering, or a Master’s Degree in these fields plus a minimum of 7 years of industry-based relevant R&D experience;
• Knowledge of the models and methods for process modelling, transaction processing, sequential decision making, and decision optimization and ability to apply them to workflow automation tasks;
• Knowledge of the technologies and tools for multithreading, synchronization, containerization, orchestration and monitoring in a cloud environment (i.e., Docker, AirFlow, MLFlow, Elastic) and ability to use them;
• Experience working with both SQL and No-SQL databases;
• Experience in real-time data processing, data integration, and automation using XML, JSON, YAML, etc.
• At least 3 years of industrial experience working as a software developer, data analyst, software or data engineer;
• Proven record of projects for processing information on the cloud in both offline and real-time mode;
• Scopus-indexed publications in the area of visual information processing or data analysis;
• Proficiency in scripting in UNIX shell and JavaScript and programming in Python and Java
• Experience working under both Windows and Linux;
• Excellent communication and presentation skills to be able to explain the technologies to the research and developer’s community;
• Fluency in English.

Optional

• Knowledge and skills in semantic technologies, data integration and data enrichment;
• Knowledge and skills in Big Data technologies and tools (Hadoop, SPARK)
• Past Experience in innovation, knowledge transfer and commercialization projects;
• Practical experience in working with a wide variety of constituents and stakeholders;
• Teaching in Higher Education in the area of computer and data science, software and data engineering
• Practical skills in programming using other languages such as C++, C#, R, and other;
• Ability to find ways to create value and deliver results by working both independently and as part of a team with professionals at all levels and of various disciplines.

 

Why join us as Researcher?

• You will be able to conduct industrially-relevant, applied research without the stress of the industrial environment;
• You will constantly develop your knowledge and skills as a natural consequence of your daily research responsibilities;
• You will join and collaborate with a team of researchers, but will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future;
• Your research will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs;
• You will be able to participate in cross-cutting research with other research groups at the Institute;
• You will be able to disseminate your achievements through publications in world-class scientific journals and participation in international conferences;
• You will be able to benefit from numerous training, knowledge exchange and professional development opportunities at national and international levels.

 

Why join our team as an Employee?

• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• A cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us at:

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

GATE Centre of Excellence “Big Data for Smart Society” is a research institute, established in 2019 in Sofia, Bulgaria as a joint initiative between Sofia University Bulgaria, Chalmers University of Technology (Chalmers) and Chalmers Industrial Technology (CIT), Sweden.

GATE’s mission is to:

• Establish a world-class ecosystem for basic and applied Big Data and Artificial Intelligence research and innovation
• Be a focal point between academia, government and industry for Big Data and Artificial intelligence domain
• Serve as a catalyst for economic growth based on data-science innovation, digitalization, and knowledge-based entrepreneurship across various economic sectors.

GATE creates value and delivers innovation excellence into the following four strategic application themes:

• Future Cities
• Intelligent Government
• Smart Industry
• Digital Health

With respect to its intensive development, GATE CoE is looking for Researchers in Computer Vision and Deep Learning (R1, R2, R3).

Responsibilities

Common

• Design and develop advanced deep learning architectures and computer vision algorithms for solving challenging real-world problems like 3D urban scene understanding based on LIDAR, satellite imagery, street-view data, and UAV (drone) images.
• Continuously maintain and improve existing deep learning models by optimizing performance, troubleshooting issues, and refining structural elements while reducing computational resource consumption.
• Stay updated on deep learning advancements and contribute to best practices in model development.
• Research SOTA methods for developing models to accomplish 3D generative AI tasks as well as conventional computer vision tasks.
• Help curate ground truth datasets for model evaluation.
• Design and implement core components of ML data pipelines.
• Disseminating results through scientific publications.
• Engage in appropriate training and development opportunities.

One or more of the following responsibilities

• Coming up with large-scale data collection techniques for training Deep Neural Networks.
• Supervising graduate and internship students.
• Communicate ideas and results with GATE stakeholders.
• Keep up-to-date with funding opportunities and contribute to project proposals.

 

Skills, Experience and Qualifications

Essential

• Junior researcher: А minimum of bachelor’s or master’s degree in Computer Science, Geoinformatics/Geomatics, Applied Mathematics, Engineering, or in a related discipline;
• Experienced researcher: A PhD Degree in Computer Science, Geoinformatics/Geomatics, Applied Mathematics, Engineering, or in a related discipline or a Master’s Degree plus a minimum of 4 years of industry-based relevant research experience;
• Established researcher: A PhD Degree in Computer Science, Geoinformatics/Geomatics, Applied Mathematics, Engineering, or in a related discipline or a Master’s Degree plus a minimum of 7 years of industry-based relevant research experience;
• Hands-on experience with deep learning models, including tasks such as detection, segmentation, and recurrent models in real-world applications.
• Experience applying computer vision techniques to camera and LiDAR data.
• Strong understanding of neural network architectures (CNNs, RNNs, Transformers).
• Strong programming skills in Python and experience with Machine Learning frameworks and libraries such as Tensorflow, PyTorch, and Numpy;
• Experience with developing Machine Learning models, including regression, clustering, and classification techniques, for vision tasks;
• Experience with cloud platforms for model development and deployment;
• Solid oral/written communication and presentation skills to explain the outcome of the research to coworkers and peers;
• Ability to prioritize tasks and work on multiple assignments, and a deep desire to find ways to create value and deliver results.
• Fluent English is a must.

Experience with one or more of the following

• Experience with 3D Deep Learning is preferred
• Experience with geospatial coordinates systems and transformation is desirable, but not required.
• Geospatial analytical skills including in QGIS and related software as they apply to urban system dynamics and urban governance applications;
• Demonstrated academic and other outputs in the form of scientific publications, grants, fellowships and/or public repositories such as GitHub.

 

Why join us as Researcher?

• You will be able to conduct industrially-relevant, applied research without the stress of the industrial environment;
• You will constantly develop your knowledge and skills as a natural consequence of your daily research responsibilities;
• You will join and collaborate with a team of researchers, but will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future;
• Your research will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs;
• You will be able to participate in cross-cutting research with other research groups at the Institute;
• You will be able to disseminate your achievements through publications in world-class scientific journals and participation in international conferences;
• You will be able to benefit from numerous training, knowledge exchange and professional development opportunities at national and international levels.

 

Why join our team as an Employee?

• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and an understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• A cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us at:

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

 

GATE Centre of Excellence “Big Data for Smart Society” is a research institute, established in 2019 in Sofia, Bulgaria as a joint initiative between Sofia University Bulgaria, Chalmers University of Technology (Chalmers) and Chalmers Industrial Technology (CIT), Sweden.

GATE’s mission is to:

• Establish a world-class ecosystem for basic and applied Big Data and Artificial Intelligence research and innovation
• Be a focal point between academia, government and industry for Big Data and Artificial intelligence domain
• Serve as a catalyst for economic growth based on data-science innovation, digitalization, and knowledge-based entrepreneurship across various economic sectors.

GATE creates value and delivers innovation excellence into the following four strategic application themes:

• Future Cities
• Intelligent Government
• Smart Industry
• Digital Health

With respect to its intensive development, GATE CoE is looking for an Experienced Researcher (R2) in Computer Vision and Dynamic Modelling.

Responsibilities

• Conducts high-quality applied research in the field of Translational Medicine, & Intelligent Systems, & Computer Vision;
• Establishes and applies principles and develops tools to support best practices for data processing and systems’ analysis;
• Applies research results to innovative solutions;
• Prepares presentations to promote research outcomes at national and international levels;
• Prepares high-impact scientific publications.

 

Requirements

• Strong knowledge of the principles, tools, and technologies in Signal Processing, Data Analysis, Dynamic Modelling and Intelligent Systems, Real-Time systems & Communications, ML, Systems’ Analysis and Computer Vision;
• Programming skills in MatLab and/or Python;
• Ability to collaborate and work in teams with international partners;
• Motivation for professional development and a passion for research work;
• Strong oral and written communication skills, including the ability to present research results (and their value);
• Fluency in English.
• A minimum of Master’s degree in one of the following areas: Computer Science, Applied Mathematics, Live Sciences, Software Engineering, or a related technical field.

 

Why join us as Researcher?

• You will be able to conduct industrially-relevant, applied research without the stress of the industrial environment;
• You will constantly develop your knowledge and skills as a natural consequence of your daily research responsibilities;
• You will have the opportunity to collaborate with renowned researchers from across the world in all domains of the research group – machine learning, computational engineering, physics, applied mathematics, statistics and many others;
• You will be able to participate in cross-cutting research with other research groups at the Institute;
• You will be able to disseminate your achievements through publications in world-class scientific journals and participation in international conferences;
• You will be able to benefit from numerous training, knowledge exchange and professional development opportunities at national and international level.

 

Why join our team as an Employee?

• You will work in a modern and attractive environment that stimulates creativity and productivity;
• You will be offered competitive working conditions and remuneration commensurate with your skills and experience.
• You will be part of a supportive, driven, and genuinely fun team that values collaboration and celebrates success together;
• You will be able to participate in regular team-building events – From off-site retreats to escape rooms and quiz “nights”, we know how to mix work with play;
• You will be able to access training, mentorship, and funding for courses and conferences to keep you growing;
• You will have flexible work options – hybrid work possibilities, flexible hours, and understanding of work-life balance;
• Multisport card.

 

How to apply

Please send your contact data and files with personal documents via https://www.gate-ai.eu/en/application-form/ until 31 August 2025:

• A cover letter that explains the motivating factors for considering the position (1-2 pages);
• Curriculum vitae;
• Copies of diplomas for completed education and certificates of qualification;
• Two letters of support from academic tutors, former supervisors, mentors or equivalent, including their contact details provided as appendices in the cover letter or as a separate document;
• As an attachment to your application, please sign, scan and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us at:

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. Your personal data is processed following the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labour contract.

 

Responsibilities

• Researches and analyses the landscape of innovative approaches that could significantly contribute to the scientific goals of GATE in the field of advanced data analytics, applied to the four application domains at GATE: Digital Health, Future Cities, Intelligent Government and Smart Industry;
• Researches and develops advanced estimation, verification, and validation (V&V), and uncertainty quantification (UQ) methodology using state-of-the-art statistical methods, machine learning, and/or multi-fidelity modeling;
• Adapts current machine learning research to high consequence real world applications and integrate solutions into practical tool chains;
• Pursues independent (but complementary) research interests and interact with a broad spectrum of scientists internal and external to the Institute;
• Presents formal and informal overviews of research progress to peers, sponsors, and stakeholders;
• Manages multiple advanced parallel tasks and priorities of the Instutite and stakeholders, ensuring deadlines are met, while leveraging team member’s skills;
• Conduct self-initiated research, maintain an awareness of technical literature in assigned areas, publish research results in peer-reviewed scientific or technical journals, and present results at external conferences, seminars, and/or technical meetings;
• Contributes to high-quality scientific publications;
• Prepares presentations to communicate research results at national and international scientific conferences and industry events;
• Participates in the implementation of existing and the design of novel Machine Learning (ML) and Artificial Intelligence (AI) models in the context of GATE projects;
• Performs individual and collaborative research in the area of ML and AI;
• Participates in the development of strong relationships with external key stakeholders;
• Engages in continuous professional development and participates in various events for learning and knowledge exchange;

Our requirements

• D. in Computer Science, Statistics, Mathematics, or a related field, or a master’s degree plus a minimum of 7 years of experience in research within the industry;
• Experience in one or more of the following: machine learning, deep learning, artificial intelligence, scientific machine learning, image analysis, uncertainty quantification, verification and validation (V&V), computational statistics;
• Programming skills in Python using at least several of the standard Data Science tools and libraries: PyTorch, TensorFlow, Keras, NumPy, SciPy, Pandas or others;
• Interest in participating in research projects, involving a wide variety of stakeholders;
• Good written and oral communication and presentation skills, prioritizing of tasks, motivation to discover new approaches in AI development;
• Fluency in English;

Our offer

• You will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future
• You will experience leading and mentoring small research team with staff scientists and graduate studentsfrom diverse technical backgrounds, as well as an ability to function as an independent researcher;
• You will be provided with numerous opportunities for learning, knowledge exchange and career development, locally and internationally
• Your research will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs
• You will have a flexible work schedule and a modern and appealing work environment, stirring up creativity and productivity;
• Competitive working conditions and a salary commensurate with your skills and experience.

 

How to apply

Please send your contact data and files with personal documents on our Application Form – Gate (gate-ai.eu)  until 31 August 2025:

• Cover/motivation letter that explains the motivating factors for considering the position (max. 2 pp)
• CV
• Copies of diplomas for completed education and certificates of qualification
• Copies of documents certifying past work experience in the relevant field
• Two references letters or personal recommendations, arranged by applicants and directly submitted by the letter or provided as contact data in the cover letter
• As an attachment to your application, please sign and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labor contract.

Data spaces are a highly innovative area that is gaining increasing popularity at both the European and regional levels as a key element of the future data-driven economy. Data spaces provide an environment that facilitates secure and trusted data exchange between participants and offer a comprehensive framework encompassing the technological, business, and organizational aspects of this exchange. The researchers will be involved in an international project in collaboration with two of the most prestigious research institutes in Europe: Norway’s SINTEF Institute and Ireland’s INSIGHT Institute. The project’s aim is to build a knowledge transfer framework between the partners and develop a visionary scientific strategy to enhance research capacity in the field of data space interoperability. The project’s outcomes will be applied to drive innovations in areas of significant social and economic importance.

Applicants for this position should have experience in the field of information technology, and knowledge and skills in semantic technologies and data sharing.

Key Responsibilities

• Conducts high-quality applied research in the field of semantic interoperability for data spaces;
• Develops techniques and models for data interoperability;
• Applies research results to innovative solutions;
• Prepares presentations to promote research outcomes at national and international levels;
• Prepares high-impact scientific publications.

Skills, Experience and Qualifications

• Minimum of a bachelor’s or master’s degree in computer science, applied mathematics, software engineering, or a related technical field;
• Experience in the field of semantic technologies;
• Knowledge of the principles, tools, and technologies for data sharing;
• Ability to collaborate and work in teams with international partners;
• Motivation for professional development and a passion for research work;
• Strong oral and written communication skills, including the ability to present research results (and their value);
• Fluency in English.

Our offer

• You will join and collaborate with a team of researchers but will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future
• You will be provided with numerous opportunities for learning, knowledge exchange and career development, locally and internationally
• Your research will be supported by an advanced research infrastructure, comprising of the GATE platform and Open Innovation Labs
• You will have a flexible work schedule and, modern and appealing work environment, stirring up creativity and productivity;
• Competitive working conditions and a salary commensurate with your skills and experience
• Multisport card;
• A pleasant and diverse environment with fun team buildings and stimulating activities;

 

How to apply:

Please send your contact data and files with personal documents on our Application Form – Gate (gate-ai.eu)  till 31 August 2025:

• Cover/motivation letter that explains the motivating factors for considering the position (max. 2 pp),
• CV,
• Copies of diplomas for completed education and certificates of qualification,
• Two references letters or personal recommendations, arranged by applicants and directly submitted by the letter or provided as contact data in the cover letter
• As an attachment to your application please sign and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Stages of the contest:

1.The Selection Committee reviews the documents, submitted by the candidates and selects those meeting the requirements of the job, as described in the job profile. The selected candidates will be informed by 31 August 2025.

2.Interviews will be held with the selected applicants until 11 September 2025.

3.All interviewed candidates will be notified in writing.

4.The successful candidate will be offered a labor contract.

 

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to be processed for the purpose of recruitment and selection of personnel. The processing of your personal data shall be carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Law and related legal acts in Bulgaria.

Data spaces are a highly innovative area that is gaining increasing popularity at both the European and regional levels as a key element of the future data-driven economy. Data spaces provide an environment that facilitates secure and trusted data exchange between participants and offer a comprehensive framework encompassing the technological, business, and organizational aspects of this exchange. The researchers will be involved in an international project in collaboration with two of the most prestigious research institutes in Europe: Norway’s SINTEF Institute and Ireland’s INSIGHT Institute. The project’s aim is to build a knowledge transfer framework between the partners and develop a visionary scientific strategy to enhance research capacity in the field of data space interoperability. The project’s outcomes will be applied to drive innovations in areas of significant social and economic importance.

Applicants for this position should have experience in the field of information technology and knowledge of the principles, tools, and technologies for data sharing.

Key Responsibilities

• Conducts high-quality applied research in the field of data sharing and data spaces;
• Establishes and applies principles and develops tools to support best practices for data sharing in data spaces;
• Applies research results to innovative solutions;
• Prepares presentations to promote research outcomes at national and international levels;
• Prepares high-impact scientific publications.

Skills, Experience and Qualifications

• PhD in one of the following areas:computer science, applied mathematics, software engineering, or a related technical field; Alternatively, a Master’s degree in one of these fields and at least 4 years of experience in this field in industry or academia;
• Strong knowledge of the principles, tools, and technologies for data sharing.
• Ability to collaborate and work in teams with international partners;
• Motivation for professional development and a passion for research work;
• Strong oral and written communication skills, including the ability to present research results (and their value);
• Fluency in English.

Our offer

• You will join and collaborate with a team of researchers but will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future
• You will be provided with numerous opportunities for learning, knowledge exchange and career development, locally and internationally
• Your research will be supported by an advanced research infrastructure, comprising of the GATE platform and Open Innovation Labs
• You will have a flexible work schedule and, modern and appealing work environment, stirring up creativity and productivity;
• Competitive working conditions and a salary commensurate with your skills and experience
• Multisport card;
• A pleasant and diverse environment with fun team buildings and stimulating activities;

 

How to apply:

Please send your contact data and files with personal documents on our Application Form – Gate (gate-ai.eu)  till 31 August 2025:

• Cover/motivation letter that explains the motivating factors for considering the position (max. 2 pp),
• CV,
• Copies of diplomas for completed education and certificates of qualification,
• Two references letters or personal recommendations, arranged by applicants and directly submitted by the letter or provided as contact data in the cover letter
• As an attachment to your application please sign and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Stages of the contest:

1.The Selection Committee reviews the documents, submitted by the candidates and selects those meeting the requirements of the job, as described in the job profile. The selected candidates will be informed by 31 August 2025.

2.Online interviews will be held with the selected applicants until 11 September 2025.

3.All interviewed candidates will be notified in writing.

4.The successful candidate will be offered a labor contract.

 

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to be processed for the purpose of recruitment and selection of personnel. The processing of your personal data shall be carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Law and related legal acts in Bulgaria.

Data spaces are a highly innovative area that is gaining increasing popularity at both the European and regional levels as a key element of the future data-driven economy. Data spaces provide an environment that facilitates secure and trusted data exchange between participants and offer a comprehensive framework encompassing the technological, business, and organizational aspects of this exchange. The researchers will be involved in an international project in collaboration with two of the most prestigious research institutes in Europe: Norway’s SINTEF Institute and Ireland’s INSIGHT Institute. The project’s aim is to build a knowledge transfer framework between the partners and develop a visionary scientific strategy to enhance research capacity in the field of data space interoperability. The project’s outcomes will be applied to drive innovations in areas of significant social and economic importance.

Applicants for this position should have experience in the field of information technology and an interest in developing expertise in semantic interoperability for data spaces. Knowledge and skills in semantic technologies and data sharing are an advantage.

Key Responsibilities

• Conducts applied research in the field of semantic interoperability for data spaces;
• Utilizes technologies and tools for knowledge representation and management in various application areas;
• Participates in applying research results to innovative solutions;
• Engages in continuous professional development and participates in training events and knowledge exchange;
• Prepares presentations to promote research outcomes at national and international levels;
• Contributes to the preparation of high-impact scientific publications.

Skills, Experience and Qualifications

• Minimum of a bachelor’s or master’s degree in computer science, applied mathematics, software engineering, or a related technical field;
• Experience in the field of semantic technologies is an advantage;
• Ability to collaborate and work in teams with international partners;
• Motivation for professional development and enthusiasm for research work;
• Strong oral/written communication skills and the ability to present research results (and their value);
• Fluency in English.

Our offer

• You will join and collaborate with a team of researchers but will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future
• You will be provided with numerous opportunities for learning, knowledge exchange and career development, locally and internationally
• Your research will be supported by an advanced research infrastructure, comprising of the GATE platform and Open Innovation Labs
• You will have a flexible work schedule and, modern and appealing work environment, stirring up creativity and productivity;
• Competitive working conditions and a salary commensurate with your skills and experience
• Multisport card;
• A pleasant and diverse environment with fun team buildings and stimulating activities;

How to apply

Please send your contact data and files with personal documents on our Application Form – Gate (gate-ai.eu)  till 31 August 2025:

• Cover/motivation letter that explains the motivating factors for considering the position (max. 2 pp),
• CV,
• Copies of diplomas for completed education and certificates of qualification,
• Two references letters or personal recommendations, arranged by applicants and directly submitted by the letter or provided as contact data in the cover letter
• As an attachment to your application please sign and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Stages of the contest:

1.The Selection Committee reviews the documents, submitted by the candidates and selects those meeting the requirements of the job, as described in the job profile. The selected candidates will be informed by 31 August 2025.

2.Interviews will be held with the selected applicants until 11 September 2025.

3.All interviewed candidates will be notified in writing.

4.The successful candidate will be offered a labor contract.

 

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to be processed for the purpose of recruitment and selection of personnel. The processing of your personal data shall be carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Law and related legal acts in Bulgaria.

Responsibilities

• Researches and analyses the landscape of innovative approaches that could significantly contribute to the scientific goals of GATE in the field of advanced data analytics, applied to the four application domains at GATE: Digital Health, Future Cities, Intelligent Government and Smart Industry;
• Contributes to high-quality scientific publications;
• Prepares presentations to communicate research results at national and international scientific conferences and industry events;
• Participates in the implementation of existing and the design of novel Machine Learning (ML) and Artificial Intelligence (AI) models in the context of GATE projects;
• Performs individual and collaborative research in the area of ML and AI;
• Participates in the development of strong relationships with external key stakeholders;
• Engages in continuous professional development and participates in various events for learning and knowledge exchange;

Our requirements

• А minimum of bachelor’s or master’s degree in Data Science, Artificial Intelligence, Statistics, Computer Science, Mathematics, Applied Mathematics, Informatics or a related field;
• Programming skills in Python using at least several of the standard Data Science tools and libraries: PyTorch, TensorFlow, Keras, NumPy, SciPy, Pandas or others;
• Interest in participating in research projects, involving a wide variety of stakeholders;
• Good written and oral communication and presentation skills, prioritizing of tasks, motivation to discover new approaches in AI development;
• Fluency in English;

Our offer

• You will have the freedom to conduct research in any area within the scope and priorities of GATE, creating new visions for the future
• You will be provided with numerous opportunities for learning, knowledge exchange and career development, locally and internationally
• Your research will be supported by an advanced research infrastructure, comprising the GATE platform and Open Innovation Labs
• You will have a flexible work schedule and a modern and appealing work environment, stirring up creativity and productivity;
• Competitive working conditions and a salary commensurate with your skills and experience

How to apply

Please send your contact data and files with personal documents on our Application Form – Gate (gate-ai.eu)  until 31 August 2025:

• Cover/motivation letter that explains the motivating factors for considering the position (max. 2 pp)
• CV
• Copies of diplomas for completed education and certificates of qualification
• Copies of documents certifying past work experience in the relevant field
• Two references letters or personal recommendations, arranged by applicants and directly submitted by the letter or provided as contact data in the cover letter
• As an attachment to your application, please sign and enclose the following declaration:
  I agree to the processing of my personal data included in this application for the needs necessary to carry out the recruitment.

Additional information on the site www.gate-ai.eu or contact us on: 

By applying for these positions, you voluntarily provide your personal data and consent to the processing of such data for recruitment and selection purposes. The processing of your personal data is carried out in accordance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act and related regulations in Bulgaria.

Selection stages

• Examination of the documents submitted and admission to the competition of those who satisfy the requirements set out in the notice. The successful candidates will be informed by 31 August 2025.
• An interview with the successful candidates will take place until 11 September 2025.
• All interviewed candidates will be informed of the outcome of the competition.
• The selected candidates will be hired on a labor contract.