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.
Responsibilities
Participate in the development of the REANA reproducible analysis platform allowing to run containerised declarative analysis workflows.
Participate in the development of the LHCb Ntupling service allowing researchers to request custom open data from the LHCb experiment.
Collaborate closely with LHC experimental physics teams working on open data and reproducible research.
Collaborate with external institutes and partners working on open data, open science and reproducible analysis infrastructures.
Requirements
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.
Frontend technologies: React.
Backend technologies: Python, Go.
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.
Conditions
Job closing date: 25.10.2026 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-December-2026
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.
Job reference: IT-CA-2026-236-GRAE
Field of work: Information Technologies
Benchmark job: 200020 - Computing Engineer
Global Benefits
A monthly net stipend of either 5266 or 5793 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.