SWAN Core Developer (Full-Stack, DevOps) (IT-DA-ASM-2026-140-GRAE)

Responsibilities

• Develop new full-stack features and integrations with other services.
• Take part in DevOps, infrastructure maintenance and interventions.
• Work closely with other developers in an agile environment.
• Maintain code repositories and take part in code reviews and testing.
• Your profile:
• Experience in Web development, ideally with Python.
• Experience with DevOps, particularly containerization and CI/CD.
• Experience with Kubernetes (a plus).

Requirements

• Python, JavaScript, Git.
• Docker, GitHub, GitLab (Actions, CI/CD).
• Considered a plus: Kubernetes, user interface design, OpenStack and databases, for example PostgreSQL.
• Spoken and written English or French, with a commitment to learn the basics of the other language.
• 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 Software Engineering and IT (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.
• Job closing date: 08.06.2026 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-October-2026
• Job reference: IT-DA-ASM-2026-140-GRAE
• Field of work: Software Engineering and IT
• Benchmark job: 200020 - Computing Engineer
• Global Benefits
• A monthly stipend between 5266-5793 Swiss Francs per month (tax free) 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!
• 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

Benefits

Additional Information

As a core member of the SWAN team, you will work across the whole stack from designing new full-stack features, integrating SWAN with other services, and taking part in DevOps tasks, deployments and maintenance. SWAN (Service for Web-based Analysis) is a platform for interactive analysis based on Jupyter and JupyterHub. It provides researchers, engineers and other users with easy access to computing resources, software, and integrations, allowing them to analyse accelerator data and more.

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