Senior Backend Engineer - CI Experience

What You'll Do

• Design, maintain, and evolve backend services supporting our CI infrastructure.
• Improve local development and testing loops to reduce the need for full deployments during validation.
• Drive service migrations (e.g., from Python to Java) and assist in refactoring for scalability and maintainability.
• Implement robust monitoring, logging, and alerting practices for better visibility and debugging.
• Contribute to documentation — especially around service setup, testing, and troubleshooting.
• Collaborate with cross-functional teams to improve developer experience and CI efficiency.
• Help shape our technical roadmap for infrastructure evolution, focusing on automation and resilience.

Who You Are

• Strong backend engineering experience with Java and Python.
• Familiar with microservice architecture, Kubernetes, and caching strategies.
• Experienced in designing maintainable, testable, and observable systems.
• Skilled at writing clear and thorough documentation for services and processes.
• Comfortable working on CI/CD infrastructure, including tools like gRPC/Protobuf, Bazel, and Git.
• Strong understanding of service migrations, from design to execution.
• Collaborative and proactive; able to work autonomously while aligning with broader team goals.
• Bonus: Experience working with Spotify’s internal client CI systems or Windows environments.

Where You'll Be

• This role is based in either Stockholm or London
• We offer you the flexibility to work where you work best! There will be some in person meetings, but still allows for flexibility to work from home.