Full-Stack Software Developer (IT-CA-OSI-2026-208-GRAE)

Job Description

Are you passionate about software development and interested in supporting open science and reproducible research at CERN? Join our team that is building and running REANA, an open-source platform for reproducible computational data analyses!

Your responsibilities:

• Participate in the frontend and backend development of the REANA reproducible data analysis platform.
• Work closely with physicists to provide support for reusable computational data analysis practices in experiments.
• Manage the service deployment and operations on the Kubernetes cloud.
• Collaborate with external institutes and partners working on reproducible data analyses and open science infrastructure.

Your profile:

• Experience in full-stack software development and with frontend and backend software engineering technologies.
• Experience with container technologies and application deployment, monitoring and security.
• Some familiarity with basic principles of computational research data analyses would be a plus.

Skills:

• Frontend technologies: React.
• Backend technologies: Python, Go.
• Deployment: Docker, Kubernetes, Helm.
• Spoken and written English, with a commitment to learn French.

Eligibility criteria:

• You are a national of a CERN Member or Associate Member State.
• By the application deadline, you have a maximum of two years of professional experience since graduation in Computer Science or equivalent (or a related field) and your highest educational qualification is either a Bachelor's or Master's degree.
• You have never had a CERN fellow or graduate contract before.
• Applicants without University degree are not eligible.
• Applicants with a PhD are not eligible.

Additional Information

Job closing date: 09.09.2026 at 23:59 CEST.

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working hours: 40 hours per week

Job flexibility: Hybrid

Target start date: 01-November-2026

This position involves:

• Stand-by duty, when required by the needs of the Organization.
• Work during nights, Sundays and official holidays, when required by the needs of the Organization.

Job reference: IT-CA-OSI-2026-208-GRAE

Field of work: Information Technologies

Benchmark job: 200020 - Computing Engineer

Global Benefits

• A monthly net stipend of either 5266 or 5793 Swiss Francs per month depending on your degree.
• 30 days of paid leave per year plus 2 weeks annual closure.
• Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
• Family, child and infant monthly allowances depending on your individual circumstances.
• A relocation package (installation grant and travel expenses) depending on your individual circumstances.
• Possibility to extend your contract up to 36 months.
• On-the-job and formal training including language classes.

Overview of CERN - Discover a world where the impossible is made possible!

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! TAKE PART!

More information about us, here: careers.cern