Platform Engineer / SRE

Langfuse is an exciting open-source LLM engineering platform that has raised $4M in seed funding from prestigious investors including Y Combinator, Lightspeed, and General Catalyst. The company is seeking a Platform Engineer/SRE to join their growing team in Berlin, Germany.

The role focuses on scaling the Langfuse platform, which processes millions of events daily through their SDKs. You'll work directly with the CTO and team on critical infrastructure challenges, from query optimization to implementing async processing systems. The tech stack includes TypeScript, PostgreSQL, Redis, and modern cloud technologies.

As an early team member, you'll have significant influence on architectural decisions and product direction. The position requires 3+ years of experience in backend or full-stack development, with a strong background in scaling infrastructure. The company values hands-on experience and offers equity compensation ranging from 0.10% to 0.35%.

The team culture emphasizes performance, learning, and autonomy, with minimal meetings and maximum impact. They work from their Berlin office, fostering close collaboration while maintaining a startup atmosphere. The company follows Y Combinator principles and brings Silicon Valley energy to Berlin.

This is an excellent opportunity for an experienced engineer looking to join a fast-growing open-source project with real-world impact in the LLM space. The role offers both technical challenges and the chance to shape the future of LLM tooling, working alongside a talented team in one of Europe's most vibrant tech hubs.