Full-Stack Software Engineer (EP-CMOGRAE)

CMS is one of the largest physics experiments of the Large Hadron Collider (LHC) located at CERNs Point 5 site in Cessy France. The position involves contributing to the design development and maintenance of software and computing systems supporting the operation of the CMS experiment and communication within its user community. You will join the CMS Experiment Group (EP-CMO) which is responsible for developing and maintaining software tools that support the management coordination and daily operation of the CMS collaboration.

Your responsibilities

• Provide support to users of the current system ensuring that issues are resolved promptly and new features are delivered as resources permit.
• Contribute to the transition from the existing Java / JSP-based system to the newly developed PHP / Python / Django / Vue-based system (GLANCE) ensuring a smooth experience for users.
• Collaborate with physicists and computing specialists to understand and implement new requirements.
• Act as the lead developer of the Incubator module to handle CMS-specific features within GLANCE.
• Contribute to the improvement of the documentation by gaining in-depth knowledge of both the old and new CMS management software suites.

Your profile

Experience :

Skills :

Eligibility criteria :

Additional Information :

Job closing date : 29.01.2026 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 : Fully Onsite

Target start date : 01-June-2026

Job reference : EP-CMOGRAE

Field of work : Software Engineering and IT

Benchmark job : 200020 - Computing Engineer

Global Benefits

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 :

Remote Work :

No

Employment Type : Full-time

Key Skills

Spring,.NET,C / C++,Go,React,OOP,C#,Data Structures,JavaScript,Software Development,Java,Distributed Systems

Experience : years

Vacancy : 1