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CERN

Full-Stack Software Engineer (EN-IM-PLM-2026-10-GRAE)

Geneva , Switzerland
full-time Hybrid

AI overview

Join a pioneering team at CERN as you implement engineering digital twins and modernize the application landscape, impacting over 5000 users.

The Engineering Department's Information Management (IM) group is seeking a highly motivated full stack software engineer with strong technical skills and a passion for learning. You will join an international team within the PLM (Product Lifecycle Management) section, delivering engineering information management solutions for the entire accelerator complex and its detectors. This includes managing millions of engineering documents, product definitions, and CAD (Computer Aided Design) models. The group is leading a major modernization effort to simplify a heterogeneous application landscape and enable the Organization's move toward engineering Digital Twins, supporting more than 5000 users.

Your responsibilities

  • Implement backend applications using Java or .NET.
  • Build web applications using modern technologies (React/Electron/Typescript).
  • Integrate 3D model visualisation technologies: web and native viewers, virtual/augmented reality.
  • Perform code reviews, testing, delivery, and support of the software.
  • Carry out data analysis and data migrations.
  • Be part of a project delivering engineering Digital Twins of CERN installations.

Your profile

  • Experience and/or strong knowledge in developing and maintaining large software projects using the .NET or Java Enterprise Edition stacks.
  • Experience and/or strong knowledge with relational databases such as Oracle, PostgreSQL, or SQL Server as part of large-scale systems.
  • Experience and/or strong knowledge in Agile and DevOps practices in a collaborative team environment.

Skills

  • Backend development using Java or .NET.
  • Frontend development using React or Angular.
  • Git.
  • CI/CD tools.
  • 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 Information Technology (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: 11.02.2026 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-March-2026

Job reference: EN-IM-PLM-2026-10-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!

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

Perks & Benefits Extracted with AI

  • Health Insurance: Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
  • Training and language classes: On-the-job and formal training including language classes.
  • Paid Time Off: 30 days of paid leave per year plus 2 weeks annual closure.
CERN

At CERN, the European Organization for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. Using the world's largest and most complex scientific instruments, they study the basic constituents of matter - fundamental particles that are made to collide together at close to the speed of light. The process gives physicists clues about how particles interact, and provides insights into the fundamental laws of nature. Find out more on http://home.cern.

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Salary
CHF 5'266 – CHF 5'793 per month
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