Full-Stack Software Engineer

The CERN Document Server (CDS) is CERN’s institutional repository, dedicated to archiving, preserving, and disseminating research outputs, multimedia content, and other key documents produced by the organisation. We are building the next-generation web platform based on the open-source technology InvenioRDM, and as a Graduate, you will play a crucial role in shaping its future.

Our ultimate goal is to create a seamless workflow for researchers, enabling them to archive, publish, and share research outputs, including software, data, and documents, more easily and efficiently. This is a unique opportunity to make a meaningful impact on how CERN researchers manage and disseminate their work.

• Develop and maintain web applications using Python on the backend and React on the frontend and implement new features to support the archiving, publication, and sharing of research outputs.
• Contribute to the migration of existing content to a new digital platform, ensuring data quality and consistency.
• 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.

• Experience with Python and web application development (for example using Flask or similar frameworks).
• 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 Open Search.
• Exposure to container technologies, such as Docker, and container platforms (for example Open Shift).
• Experience contributing to or working with open-source software projects.
• Your studies focused on Software Engineering.
• PostgreSQL, Elasticsearch/Open Search skills are advantageous.
• Docker, Open Shift skills are advantageous.
• Experience working on open source projects is advantageous.
• Spoken and written English, with a commitment to learn French.

Hybrid

A monthly net stipend between  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.

• You are a national of a CERN Member State or Associate Member State . Currently, we cannot consider applications from Pakistani and Lithuanian nationals for positions with a 2026 start date, as the ceiling defined under Article II.5 of the Associate Membership Agreement has been reached.
• By the Final date to receive applications, you have a maximum of 2 years of professional experience since graduation in the respective field and your highest educational qualification is either a bachelor’s or master’s degree. You must have a university degree and can’t hold a PhD.
• You have never had a CERN fellow or graduate contract before.
• Please pay attention to the additional criteria and requirements for this specific position and mentioned above.

• Your CV (English or French)
• A copy of your most relevant diploma or a certificate of achievement from your school (if you don't yet have your paper diploma)
• Any document you consider relevant to your application

The IT Department designs, operates, and evolves CERN’s core computing and digital infrastructure. It provides the large-scale data processing, storage, networking, and collaboration services that enable CERN’s scientific programme. The Department supports the LHC and non-LHC experiments, accelerator systems, and the wider CERN community, while advancing new computing technologies through research, development, and strategic partnerships.