Full-Stack Software Engineer, analysis ecosystem

Big Science Sweden; Genf; Hybrid; CHF 110,000 - 150,000; Full time

Job summary

Big Science Sweden seeks a Full-Stack Software Engineer to join CERN's analysis services, developing and maintaining Jupyter extensions for Rucio, REANA and Zenodo, integrated with CERN's SWAN notebook service. You will help with authentication layers, Helm charts, and community training, contributing to a reproducible analysis environment that enables researchers to run analyses and publish results.

Ideal candidates hold a Bachelor's or Master's degree, with up to 2 years since graduation, and

Qualifications

• Must have a university degree (Bachelor's or Master's).
• 2 years of professional experience since graduation or less.
• No CERN fellowship or graduate contract previously.

Responsibilities

• Develop and maintain the Jupyter extensions for Rucio, REANA, and Zenodo (Python, JupyterLab/React), upgrading them into production-ready plugins integrated with CERN's SWAN notebook service.
• Support the Competence Centre activities through workshops, training events, and documentation, gathering user feedback and translating it into technical improvements.
• Contribute to the authentication and authorisation layer, supporting both token-based and role-based paradigms and aligning with European federated-identity standards for integration with the EOSC Federation.
• Review and consolidate the unified VRE Helm charts, including Prometheus-based monitoring and metrics collection.

Skills

Python

JupyterLab

React

Rucio

Education

Bachelor's degree

Master's degree

Tools

Prometheus

Helm

EOSC Federation

Job description

Full-Stack Software Engineer, analysis ecosystem

Datum: 2 september, 2026 Tid: 11:59

Placering: CERN

Mer information

Our ultimate goal is a seamless, reproducible analysis environment where researchers can discover and access data, run interactive and batch analyses across heterogeneous resources, and publish their results within one open ecosystem. This is a unique opportunity to work at the core of CERN's analysis services and shape a platform adopted by research infrastructures well beyond CERN.

Your responsibilities

• Develop and maintain the Jupyter extensions for Rucio, REANA, and Zenodo (Python, JupyterLab/React), upgrading them into production-ready plugins integrated with CERN's SWAN notebook service.
• Support the Competence Centre activities through workshops, training events, and documentation, gathering user feedback and translating it into technical improvements.
• Contribute to the authentication and authorisation layer, supporting both token-based and role-based paradigms and aligning with European federated-identity standards (EduGain, MyAccessID) for integration with the EOSC Federation.
• Review and consolidate the unified VRE Helm charts, including Prometheus-based monitoring and metrics collection.

Be sure to meet the eligibility criteria

• You are a national of aCERN Member State or Associate Member State. Currently, we cannot consider applications from Pakistani, Lithuanian, Latvian, Cypriot and Croatian nationals, as the ceiling defined under Article II.5 of the Associate Membership Agreement has been reached.
• By the application deadline, 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.