Full Stack Web Developer (EN-IM-CAP-2025-95-GRAE)

Job Description

• Contribute to the development and enhancement of production- grade applications using Java, React, and Oracle technologies.
• Model and execute complex business processes using BPMN (Camunda).
• Collaborate closely with engineers and IT professionals to understand requirements and translate them into reliable software solutions.
• Ensure code quality and system performance through rigorous testing, debugging, and optimization.
• Participate in Agile development practices, contribute to team retrospectives, bring your ideas and continuously improve team processes.
• Gain deep insights into CERN’s operations while building software that is actively used by a large and diverse community.
• Work hard, communicate openly, contribute to a relaxed and respectful team culture, learn a lot.

• Be part of a young, efficient, and collaborative DevOps team.
• Work in a unique scientific environment, surrounded by some of the most advanced technology on the planet.
• Learn and grow through hands-on experience with real-world engineering challenges.
• Contribute to tools that support scientific discovery on a global scale.

• Java;
• React (or similar modern web development libraries and frameworks);
• Oracle (or other relational databases);
• Modern development tools (git, github/gitlab, CI/CD);
• BPMN and Camunda (would be beneficial);
• Good communication and team skills;
• Spoken and written English or French, with a commitment to learn the basics of the other language.

• 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 Software Engineering/ Computer Science (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.

Additional Information

• A monthly stipend ranging between 5196 and 5716 Swiss Francs (net of tax).
• Coverage by CERN’s comprehensive health scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
• Depending on your individual circumstances: installation grant; family, child and infant allowances; payment of travel expenses at the beginning and end of contract.
• 30 days of paid leave per year.
• On-the-job and formal training at CERN as well as in-house language courses for English and/or French.