Full-Stack Software Developer

Software, Web Development, Data Science, Computer Science.

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 passionate about software development? Are you interested in supporting open science and reproducible computational research across Europe? Join our team working on the open-source REANA platform for reproducible computational data analyses!

You will specifically take part in the nascent European Open Science Cloud (EOSC) Federation and the EOSC Mesh project which is designing federated digital infrastructures to cross-link research environments across Europe.

Your responsibilities

As a full-stack developer in our team, you will:

  • Collaborate with European Open Science Cloud project partners on developing cross-node federated analysis workflow infrastructure and support corresponding scientific use cases.
  • Participate in the evolution the CERN Node of the EOSC Federation, allowing researchers to analyse more than 5 petabytes of open data from experimental particle physics.
  • Contribute to the service deployment, operations and monitoring on the Kubernetes cloud.
  • Work closely with researchers to provide support for cross-node computational data analysis examples.
  • Participate in the operation and development of the REANA reproducible data analysis platform.

Your profile

  • Experience in full-stack software development and with frontend and backend software engineering technologies.
  • Experience with container technologies and application deployment, monitoring and security.
  • Some familiarity with basic principles of computational research data analyses would be a plus.
  • Some prior experience working in European Commission co-funded projects would be a plus.

Skills

  • Strong problem-solving and communication skills, with an interest in collaborative open-source development.
  • Frontend development technologies: React.
  • Backend development technologies: Python, Go.
  • Application deployment: Docker, Kubernetes, Helm.
  • 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 Organisation.
  • Work during nights, Sundays and official holidays, when required by the needs of the Organisation.

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-CA-OSI-2026-207-GRAE
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Shortlisted
  • Deadline
    September 9th, 2026
  • Starting
    November 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
  • Data Science
  • Software/Systems
  • Web Development
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