Frontend Engineer, AI Observability & Evals Platform
LangChain is hiring for Frontend Engineer, AI Observability & Evals Platform in San Francisco, CA. Mid level. First seen August 13, 2026; open as of November 9, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- LangChain
- Where
- San Francisco, CA
- Level
- Mid
- First seen
- August 13, 2026
- Listed via
- Ashby
What the posting says
We’re looking to add a frontend engineer to develop and enhance new features on LangSmith, working on our enterprise platform product for LLM application observability, testing, and debugging. *This role can be based in our San Francisco, New York, or Boston office. Employees within commuting distance work from the office five days per week. Candidates who live outside commuting distance (e.g. >1hr each way), may be eligible for hybrid arrangements depending on location and role requirements. What You Will Do: - Develop new user-facing features using React & Typescript - Build reusable…
Read more and apply on LangChain's site
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