Full Stack Developer

Computer Science, Software, Web Development.

About us

At CERN, the European Organisation 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. 

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Job description

Are you eager to grow your skills while contributing to world-leading science? Join the team behind CERN's Identity and Account Management services, which enable thousands of scientists and staff to securely access the tools they need every day to push the boundaries of research.

Your role will encompass feature design and development (.NET, ReactJS) and service and user support (upgrades, advanced integration support, business continuity). During the contract you will have the opportunity to grow into a service manager role, taking increasing ownership of stakeholder management and contributing to the service roadmap.

The specific services in scope of this role are: Group Management, Account Management, Digital Resource Eligibility and Lifecycle Management.

Your responsibilities

  • Feature development and bug fixes.
  • Contribution to the technical evolution of services.
  • Advanced user support, including in person consultations with service managers around CERN.

Your profile

  • Experience with full-stack software development in .NET, ReactJS.
  • Experience with version control systems and CI/CD workflows.
  • Experience in using OAuth, OIDC or SAML protocols.
  • Knowledge of Microsoft Identity Manager (MIM) is an advantage.
  • Knowledge of Openshift or Kubernetes is an advantage.

Skills

  • Software development.
  • Strong problem-solving and analytical skills.
  • Collaborative user support.
  • Communication, working in teams.
  • 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 Equivalent (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.

This position involves:

  • Stand-by duty, when required by the needs of the Organization.
  • Work during nights, Sundays and official holidays, when required by the needs of the Organization.

What we offer

  • A monthly net stipend of either 5,266 or 5,793 Swiss Francs per month 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.
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Job ID Number: IT-PW-IAM-2026-221-GRAE
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Add to shortlist
Shortlisted
  • Deadline
    September 28th, 2026
  • Starting
    December 2026
  • Salary
    5,266 - 5,793 Swiss Francs per month (net of tax) + benefits
  • Degree required
    Bachelor's/Master's
  • Location
    Geneva (Switzerland)
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Disciplines Accepted...
  • Computer Science
  • Information Technology
  • Software/Systems
  • Web Development
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