Full-Stack Software Engineer for CERN's PLM Platform - European Organization for Nuclear Research (Geneva)

About this position

The summary below is published by European Organization for Nuclear Research on the official vacancy notice. Our own analysis — salary realism, comparable openings, career trajectory, language profile — follows further down the page.

Key responsibilities

According to the vacancy notice, the role centres on the following duties:

• 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

Are you eligible?

Check these requirements from the notice before investing time in an application:

• Education: Bachelor's or Master's degree in Information Technology or a related field
• Experience: Maximum of two years of professional experience since graduation in Information Technology or a related field
• Languages: English (spoken…), French (commitm…)
• Key skills: Backend development using Java or .NET, Frontend development using React or Angular, SQL databases (Oracle, SQL Server), Git, CI/CD tools, Experience and/or strong knowledge in developing and maintaining large software projects using .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
• Eligibility: National of a CERN Member or Associate Member State. Maximum of two years of professional experience since graduation. Never had a CERN fellow or graduate contract before. Must have a University degree (Bachelor's or Master's). Applicants with a PhD are not eligible.

Contract and working arrangements

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

Working arrangements: Hybrid.

Hiring unit: Engineering Department, Information Management group, PLM (Product Lifecycle Management) section.

Position details

Reference

EN-IM-PLM-2026-127-GRAE

Last Verified

17 July 2026

Position overview

This is the official EU Careers listing for Full-Stack Software Engineer for CERN's PLM Platform at CERN based in Geneva (Other). The vacancy reference is EN-IM-PLM-2026-127-GRAE. The role falls under the Research domain.

* Full-time

The Engineering Department's Information Management group is seeking a highly motivated full stack software engineer with strong technical skills and a passion for learning. The group is leading a major modernisation effort to simplify a heterogeneous application landscape and enable the Organization's move toward engineering Digital Twins, supporting more than 5000 users.

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.

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.

More information [here](https://videos.cern.ch/record/2301882).

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. * Experience with SQL databases (i.e. Oracle, SQL Server). * 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](https://home.cern/about/member-states). * 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: 19.07.2026 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-September-2026

Job reference: EN-IM-PLM-2026-127-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](https://careers.cern/)

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Application timeline

This vacancy was first listed on 7 July 2026, 16 days ago.

No closing date is published in the source feed for this position. EU vacancies typically remain open for four to eight weeks; check the official vacancy notice for the cut-off date and time.

Last verified against the EU Careers feed on 17 July 2026 (6 days ago).

Where to learn more

For headcount, mission, and other open vacancies at CERN see the CERN institution page; for the cost of living, correction coefficient, and other postings in Geneva see our Geneva location page; for related vacancies in the Research field browse our Research domain page.

New to EU careers? Our beginner's guide walks through entry routes, EPSO competitions, and what to prepare. For application logistics see application tips and EPSO competitions.