Software Engineer (Python) (OSI-SIS-TS-2026-185-LD) — CERN
- Location
- Genève
- Contract
- full-time
- Posted
- 4 days ago
Role overview
Introduction
Join CERN's Scientific Information Service, as part of the OSI Department , and contribute to the development of platforms such as INSPIRE, SCOAP³, CERN Analysis Preservation and HEPData, used by researchers and scientific communities worldwide. of CERN
Discover a world where the impossible is made possible!
- Introduction
- Join CERN's Scientific Information Service, as part of the OSI Department , and contribute to the development of platforms such as INSPIRE, SCOAP³, CERN Analysis Preservation and HEPData, used by researchers and scientific communities worldwide. of CERN
Application process
- You will design, develop, and operate backend applications, APIs, integrations, and data processing workflows, working primarily with Python and Django.
- You will also help bring machine learning and emerging AI capabilities to these platforms, including information extraction, classification, matching, recommendation, semantic search, RAG, and LLM-based applications.
- You will explore new ways of connecting scientific information platforms, including technologies such as the Model Context Protocol, with a focus on production systems rather than fundamental ML research. Functions
- Develop, maintain, and operate scientific information applications using Python and Django, including APIs, data models, integrations, and data processing workflows.
- Integrate machine learning and AI capabilities into production systems, using technologies such as Large Language Models, retrieval-augmented generation, semantic search, and the Model Context Protocol.
- Evaluate emerging AI technologies and apply them to concrete scientific information use cases.
- Ensure software quality through automated testing, code review, monitoring, and continuous integration.
- Collaborate with software engineers, product owners, and information specialists on technical solutions and architecture.
Company and context
- Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organization.
- Employing a diverse workforce is central to our success.
- At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology.
- Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields.
- Together, we foster an environment where innovation and collaboration thrive.
- Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe.
- We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose.
- Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.
- If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive.
- Be part of our mission to uncover what lies at the heart of the universe!
Additional details
- Join CERN's Scientific Information Service, as part of the OSI Department , and contribute to the development of platforms such as INSPIRE, SCOAP³, CERN Analysis Preservation and HEPData, used by researchers and scientific communities worldwide.
- You will explore new ways of connecting scientific information platforms, including technologies such as the Model Context Protocol, with a focus on production systems rather than fundamental ML research.
- Master's degree or equivalent relevant experience in the field of Computer Science or a related field.
- Experience with LLM applications, retrieval-augmented generation, embeddings, semantic search, Model Context Protocol, tool calling, or AI agent integrations would also be an asset. Technical competencies:
- Testing, diagnosing and optimisation of software, applying automated testing, monitoring, debugging, performance analysis, and continuous integration to ensure software quality and reliability. Behavioural competencies:
- Communicating Effectively: demonstrating a pro-active approach to resolving differences; addressing issues of conflict constructively.
- Spoken and written English, with a commitment to learn French. Eligibility and closing date:
- This vacancy will be filled as soon as possible, and applications should normally reach us no later than 28.09.2026 at 23:59 CEST . Employment Conditions
- Subject to certain conditions, holders of limited-duration contracts may apply for an indefinite position. Working Hours: 40 hours per week Job Flexibility: Hybrid Job reference: OSI-SIS-TS-2026-185-LD Field of work: Information Technologies Benchmark Job Title: Computing Engineer
Notes and original content
- Experience:
- Experience with LLM applications, retrieval-augmented generation, embeddings, semantic search, Model Context Protocol, tool calling, or AI agent integrations would also be an asset.
- Technical competencies:
- Testing, diagnosing and optimisation of software, applying automated testing, monitoring, debugging, performance analysis, and continuous integration to ensure software quality and reliability.
- Behavioural competencies:
- Language skills:
- Spoken and written English, with a commitment to learn French.
- Eligibility and closing date:
- This vacancy will be filled as soon as possible, and applications should normally reach us no later than 28.09.2026 at 23:59 CEST .
- Employment Conditions
Questions about this listing
What salary does CERN offer for this role?
CERN lists CHF 71'000 - 107'500 gross per year for this position in Genève. This is the salary published in the original listing (or, when the employer omits a figure, a realistic estimate for the role and sector) — the calculator on this site converts it to your actual net take-home once cross-border tax and social contributions are applied.
Is this a full-time role, and what type of contract does CERN offer?
This listing is a full-time position. The contract type shown here comes directly from the employer's original posting; always confirm exact hours, notice period and probation length with CERN during the application process, since these details can vary by role even within the same contract category.
Do I need a cross-border work permit for a role in Geneva?
EU/EFTA residents living in the border zone of the country adjoining Canton Geneva can apply for a G permit; the Swiss employer files it with that canton's migration office after the contract is signed. Border-zone rules and processing times vary by neighbouring country and canton, so confirm the specifics with Geneva's cantonal migration office or with HR during the application.
How do I apply for this position at CERN?
Use the "Apply now" button on this page — it links directly to CERN's original listing at jobs.smartrecruiters.com, so your application goes straight to the employer's own applicant-tracking system. Frontaliere Ticino does not collect or forward applications itself.
