Full-Stack Web Developer (SY-EPC-CCSGRAE)

Geneva - Switzerland

Monthly Salary: Not Disclosed

Posted on: 20 hours ago

Vacancies: 1 Vacancy

Job Summary

As a full-stack developer in the Tools Team at SY-EPC-CCS youll 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. Youll 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 ().
Working on back-ends in Python (FastAPI).
Working on databases in SQL (PostgreSQL / Oracle).
Contributing to the teams 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:

Experience with UI/UX design and web front-end development.
Experience with web back-end (REST API) design and development.
Experience with database design and development.
Experience with gathering user requirements.
Knowledge of or experience with DevOps (Docker Compose Kubernetes) would be an advantage.

Skills:

JavaScript / TypeScript ( Pinia Vite);
Python (FastAPI SQLAlchemy Pydantic asyncio);
SQL (PostgreSQL Oracle);
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 a related field) and your highest educational qualification is either a Bachelors or Masters 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: 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:

Stand-by duty when required by the needs of the Organisation.

Job reference: SY-EPC-CCSGRAE

Field of work: Software Engineering and IT

Benchmark job: 200020 - Computing Engineer

Global Benefits

A monthly stipend between 5196-5716 Swiss Francs per month (tax free) depending on your degree.
30 days of paid leave per year plus 2 weeks annual closure.
Coverage by CERNs 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:

Remote Work :

Employment Type :

Full-time