About the company
Langfuse is an open-source LLM engineering platform. Our SDKs are downloaded 26M+ times per month, and we provide integrations for 40+ frameworks and model providers.
Responsibilities
- Build and maintain framework integrations (OpenAI SDK, Vercel AI SDK, LangChain, LlamaIndex, Pydantic AI, OpenAI Agents, CrewAI, Amazon Bedrock AgentCore, LiveKit, and more)
- Design new integration patterns for emerging frameworks
- Contribute to the core Python and TypeScript SDKs
- Write documentation and integration guides
- Be a voice in the developer community
Requirements
- Passionate about the LLM ecosystem, with experience building real applications with frameworks like LangChain, Pydantic AI, Vercel AI SDK, LlamaIndex, or similar
- Strong in Python and/or TypeScript
- Product-minded engineer, obsessed with the getting-started experience
- Self-directed and motivated
- Excited about open source and developer community
- Thrives in a small, accountable team
- CS or quantitative degree preferred, but not required
Conditions
- Flexible work environment (remote-friendly, operating in over 25 countries)
- Healthcare contributions
- Equity in the company
- Flexible time off