JobLarper
JobLarper › Companies › LangChain › FullStack Engineer, AI Observability & Evals Platform (Lan…

FullStack Engineer, AI Observability & Evals Platform (LangSmith)

LangChain — Tracked from its ashby job board

San Francisco, CA · Boston, MA · New York, NY Mid Posted Oct 14, 2026
TypeScriptPythonGoSQLReactFull-StackFrontendBackendAI/LLM
Apply on LangChain's site Tailor your résumé to this job

About the role

ABOUT US At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We…

What the index says about this role

  • First seen by JobLarper — Aug 2, 2026, 76 days ago. Older postings collect hundreds of applicants — a tailored résumé matters more the longer a role has been live.
  • No pay range in our index for this listing. Across 171 indexed Full Stack Engineer roles in US that do publish one, the middle half sits between $200k and $326k, median $230k — JobLarper's read of the market, not a figure from LangChain.
  • What Full Stack Engineer roles ask for — across 778 indexed openings: Full-Stack (100%), Frontend (66%), Backend (65%), React (62%), REST/APIs (52%). This posting names Full-Stack, Frontend, Backend, React, TypeScript, SQL.
  • LangChain is hiring actively — 54 open roles indexed, 5 first appeared in the last 30 days.

Derived from the 28,483 roles JobLarper indexes daily from official company boards — not from the job description above.

⚡ JobLarper watched this role appear on LangChain's official board on Oct 14, 2026. Sign up free to get alerted minutes after roles like this go live, and tailor your real résumé to the exact description — nothing invented.

More open roles at LangChain

All 54 open roles at LangChain →

Similar Full Stack Engineer roles at other companies

Browse all full stack engineer jobs in united states — 452 open roles across 232 companies.