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Langfuse - Senior Product Engineer

Job Overview

Product engineers at Langfuse are the people who deliver new features end-to-end to our users. Deeply understanding the problems they solve will help you design the best possible product and along the way makes you an expert on LLM engineering yourself.

Key points

  1. Talk to users constantly: jump on calls, respond in community channels, and route support requests. At Langfuse…

  2. Write public documentation about the features you own. At Langfuse, docs are product.

  3. Ship publicly during Launch Weeks: we've run four Launch Weeks so far, dropping a new feature every day for a week. Engineers present the…

  4. You will also have direct exposure to how cutting-edge LLM applications are built.

  5. Someone who has built features or even entire products from scratch end-to-end.

  6. Experience building and shipping user-facing products end-to-end, ideally in TypeScript/React and with exposure to data-intensive backends.

  7. Someone who can manage projects themselves. You know how to develop strong conviction about what to build and how to ship it.

  8. Taste for great developer experience: you care about API design, UI details, and clear documentation.

Skills

TypeScriptLLMsReactGitData VisualizationPythonJavaScriptNext.js

Experience: Senior-level · Salary: €90K – €160K • Offers Equity · Job type: Full-time

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