The Senior Backend Engineer will design and maintain backend services for CI infrastructure, migrate services from Python to Java, and improve developer productivity through enhanced testing and monitoring systems.
The CI Experience squad owns the client continuous integration (CI) infrastructure at Spotify. Our mission is to ensure smooth, reliable, and fast integration of code changes across all client repositories. We provide the tooling, documentation, and support that empower client engineers to build, test, and ship confidently.
We are looking for a Backend Infrastructure Engineer with strong experience in building and maintaining backend services that power developer infrastructure. While our current systems handle relatively low traffic, the focus is on reliability, testability, observability, and migration readiness.
A key part of this role is to help migrate existing Python-based services to Java, ensuring better alignment with Spotify’s monorepo and future automation strategies.
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.
Spotify is an equal opportunity employer. You are welcome at Spotify for who you are, no matter where you come from, what you look like, or what’s playing in your headphones. Our platform is for everyone, and so is our workplace. The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be forward-thinking! So bring us your personal experience, your perspectives, and your background. It’s in our differences that we will find the power to keep revolutionizing the way the world listens.
At Spotify, we are passionate about inclusivity and making sure our entire recruitment process is accessible to everyone. We have ways to request reasonable accommodations during the interview process and help assist in what you need. If you need accommodations at any stage of the application or interview process, please let us know - we’re here to support you in any way we can.
Spotify transformed music listening forever when we launched in 2008. Our mission is to unlock the potential of human creativity by giving a million creative artists the opportunity to live off their art and billions of fans the chance to enjoy and be passionate about these creators. Everything we do is driven by our love for music and podcasting. Today, we are the world’s most popular audio streaming subscription service.
Top Skills
Bazel
Git
Grpc
Java
Kubernetes
Protobuf
Python
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