Full Stack Developer (IT-CA-IR-2026-110-GRAE) at CERN

CERN is seeking a motivated software engineer to contribute to the development and operation of its Digital Preservation platform. This platform ensures the long-term preservation, accessibility, and integrity of digital assets produced at CERN, supporting both scientific and administrative domains. The successful candidate will join a team responsible for designing, maintaining, and evolving services that guarantee reliable and scalable preservation of data over time. Your responsibilities • Develop and maintain web applications using Python on the backend and React on the frontend and implement new features to support the long term preservation of records. • Write, test, and review code to ensure reliability, performance, and maintainability. • Collaborate with software engineers and end users to understand requirements and translate them into technical solutions. • Document technical solutions and contribute to user and developer documentation. • Learn and apply best practices in software engineering, version control, and agile teamwork.Your profile • Experience with Python and web application development (for example using Flask or similar frameworks). • Basic knowledge of JavaScript and modern web interfaces (for example React or similar libraries). • Familiarity with version control systems, such as Git. • Ability to write clear, maintainable code and learn new technologies. • Experience with relational databases, such as PostgreSQL. • Familiarity with search or indexing technologies, such as Elasticsearch or OpenSearch. • Exposure to container technologies, such as Docker, and container platforms (for example OpenShift). • Experience contributing to or working with open-source software projects.Skills • Required technical skills: Python, Django, JavaScript, React, Git. • Nice to have technical skills: PostgreSQL, Elasticsearch/OpenSearch, Docker, OpenShift. • Experience working on open source projects. • Knowledge of digital preservation concepts is a plus, but not required. • Ability to work both independently and collaboratively. • Good communication skills in English (spoken and written). • Proactive attitude and willingness to learn new technologies. • 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 computing 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.