Langfuse - Senior Software Engineer, SDK

📋 Description

• Owning our SDKs in Python and TypeScript built on OpenTelemetry, ensuring reliability, performance
• Designing APIs that developers love, including function naming, parameter structuring, breaking
• Integrating with 40+ AI frameworks and model providers such as OpenAI SDK, Vercel AI SDK
• Maintaining the OpenTelemetry endpoint for direct trace submission, extending support to Java, Go
• Writing public documentation including SDK docs, integration guides, and migration paths

🎯 Requirements

• Strong engineer excited about developer experience, API design, and writing reliable code in
• Experience building or maintaining SDKs, client libraries, or developer tools, ideally in Python
• Deep understanding of performance, profiling, benchmarking, and minimizing CPU/memory overhead in
• Ability to manage projects independently and develop strong conviction on what to build and how to
• Thoughtful about versioning, backwards compatibility, and migration paths
• Interest in open source software and genuine excitement about engaging with developers on

🎁 Benefits

• Flexible work environment - ClickHouse is a globally distributed company and remote-friendly
• Healthcare - Employer contributions towards your healthcare
• Equity in the company - Every new team member receives stock options
• Time off - Flexible time off in the US, generous entitlement in other countries
• A USD$500 Home office setup if you're a remote employee
• Global Gatherings – Opportunities for in-person connection at company-wide offsites