FullStack Engineer, AI Observability & Evals Platform (LangSmith)
USD 145K–180K / year
LangChain, a software company in developer tools and infrastructure, is hiring for the role of FullStack Engineer, AI Observability & Evals Platform (LangSmith). The role is on-site in Boston, United States. Our labels mark it as a mid-level role in full-stack engineering. The posting names LangChain, LangGraph, React, PostgreSQL, Redis and LLM. It asks for 2+ years of experience. Perks named in the posting: equity. LangChain has 25 open positions on this site, 10 of them in IT and engineering.
Posted 5 days ago · Last checked 2026-10-20
About LangChain
Developer tools and infrastructure Software product company 25 open positions, 40% in IT and engineering. Most open roles: Sales (15), Software engineering (general) (13), Operations and admin (3).
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| Workplace | On-site |
| Seniority | Mid |
| Role | Full-stack engineering |
| Countries | United States |
| Languages | GolangPythonTypeScript |
| Employment type | FullTime |
| Key facts | Stack: Golang, Python, TypeScript, LangChain, LangGraph, React, PostgreSQL, Redis, LLM · Experience: 2+ years · Equity |
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