Full-Stack Web Developer (SY-EPC-CCS-2025-292-GRAE)

Job Description

As a full-stack developer in the Tools Team at SY-EPC-CCS, you'll become the main responsible for a set of crucial web applications used by converter experts to ensure smooth operation of the power converters at CERN. You'll be working closely with other team members, applying an agile work approach, and work on different products in sprints (Scrum).

Your responsibilities

• Working on front-ends in JavaScript (Vue3.js).
• Working on back-ends in Python (FastAPI).
• Working on databases in SQL (PostgreSQL / Oracle).
• Contributing to the team's containerization setup / workflow (Docker, Compose, Kubernetes, ArgoCD, Helm).
• Gathering and iterating over requirements and features with our users and stakeholders (Power Converter Experts).
• Collaborating closely in a team of developers who are working on the full stack of the tools suite, using the Scrum framework.
• Providing application support to converter experts / users (debugging, fixing etc.).
• Participate in the internal support of power converter controls (treating data modification requests).
• Potentially supervise computer science students / interns.

More information here .

Your profile

Experience :

Skills :

Eligibility criteria :

Additional Information

Job closing date : 08.01.2026 at 23 : 59 CET.

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-April-2026

This position involves :

Job reference : SY-EPC-CCS-2025-292-GRAE

Field of work : Software Engineering and IT

Benchmark job : 200020 - Computing Engineer

Global Benefits

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