Full-Stack Web Developer

Come and join the Web team at CERN - where it all began: CERN, the birthplace of the World Wide Web and the world's largest particle physics laboratory CERN has an opening for an Early Career Graduate (Origin) as a Full-Stack Developer in the Web Team, part of the Media and Digital Communications (PRD) section in the Education, Communication and Outreach (ECO) group in the Stakeholders Relations (SR) sector. You will gain lots of experience by having the unique opportunity to work in a multinational, multi-discipline and diverse environment. Developing web applications using some of the most popular and modern tools and programming languages. The main prerequisite is a desire to learn, and an enthusiasm to work as part of the Web Team. Your responsibilities: - Share the Web Team's work and take part in the design and development sprints for the CERN core websites, web tools, and web applications, in a role combining full-stack development and website management. - Develop and maintain the CERN WordPress Distribution (themes, plugins, APIs, etc.). - Manage and support CERN's WordPress websites. - Collaborate with designers to create intuitive, user-friendly interfaces. - Participate in the support of the CERN WordPress Community. Your profile: - Content management system development (e.g. WordPress), developing and maintaining static and dynamic content rendering, and modern development practices or modern wordpress development. - Modern front-end frameworks (e.g., React, Vue.js). - Version control (Git) and modern development workflows. - Configuration management: building/maintaining configuration templates and parameters (OpenShift and OpenStack). Skills: - Modern web development: PHP, JavaScript (including modern ES6+), CSS (SASS) and HTML. - Database management systems (MySQL/PostgreSQL) and data migration techniques. - Automated testing frameworks and continuous integration/continuous deployment (CI/CD) pipelines. - Container-based technologies (e.g. Docker) and deployment workflows. - 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, Software Enginineering (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. Job closing date: 11.01.2026 at 23:59 CET. Contract duration: 24 months, with a possible extension up to 36 months maximum. Job flexibility: Fully Onsite Target start date: 01-March-2026 Job reference: IR-ECO-PRD-2025-301-GRAE Field of work: International Relations Benchmark job: 200020 - Computing Engineer Global Benefits - A monthly stipend between 5196-5716 Swiss Francs per month (tax free) 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. 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: careers.cern