# Senior Frontend Engineer, AI Observability & Evals Platform at LangChain

- Company: LangChain
- What the company does: LangChain enables every company to own their intelligence. Control, govern, and compound intelligence with an open agent engineering platform. Backed by Sequoia, IVP and Lux.
- Company website: https://www.langchain.com/
- Type: Startups (AI role)
- Level: Senior
- Location: San Francisco, CA
- Work setup: On-site
- Pay: $175K to $240K base salary per year (USD)
- Posted: 2026-08-13
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/langchain/afb91b9b-46d5-4c9d-aa84-a4f1a3f74263
- Page: https://www.1752.vc/careers/jobs/langchain-senior-frontend-engineer-ai-observability-and-evals-platform/

## About the role

(In person 5 days/week in San Francisco, CA, New York, Boston ) We’re looking to bring on an experienced frontend engineer to develop and enhance new features on LangSmith, our enterprise platform product for LLM application observability, testing, and debugging.

Tags: Engineering