Full Stack Software Engineer and Service Manager

About the role

CERN’s Platforms & Workflows group is looking for a skilled full‑stack developer who will own and operate Identity and Access Management (IAM) services used daily by thousands of researchers and engineers. You will work in a collaborative environment that values engineering quality and security.

Key responsibilities

• Design, develop and maintain modern web applications with a .NET backend and React frontend.
• Participate in architectural decisions and drive the technical evolution of the IAM platform.
• Handle service operations including deployments, troubleshooting, monitoring and continuous improvement.
• Support and mentor junior team members, sharing best practices.
• Collaborate with users and stakeholders to gather requirements, provide advanced support and enhance the service.
• Ensure quality and reliability through documentation, testing and adherence to security standards.

Required profile

• Master’s degree or equivalent in Computer Science or a related field.
• Proven experience developing and maintaining web applications using modern backend and frontend technologies.
• Experience contributing to software architecture and technical design.
• Hands‑on experience operating software services (debugging, deploying, monitoring, upgrading).
• Ability to engage with users, understand requirements and deliver high‑quality support.

Required skills

• .NET framework and C# (or Java)
• ReactJS for frontend development
• Relational databases and SQL (Oracle, MySQL or similar)
• Git version control
• CI/CD pipelines and tools
• Containerised deployments
• System administration, security patching, backup/recovery, monitoring and alerting