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Senior Fullstack Engineer, AI Observability & Evals Platform

About UsAt 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 be

In inglese

Company

LangChain

Location

Boston, MA; New York, NY

Status

Open

Posted

2026-09-12T07:06:57.811+00:00

LangChain is hiring a senior fullstack engineer for LangSmith, its platform for observability, evaluation and deployment of AI agents. The work spans Go, Python and TypeScript: leading architecture and implementation of product features, iterating with product and design, and holding engineering standards high. The posting asks for five or more years on complex platform products, backend work in Go or Python, React with TypeScript, and familiarity with Postgres and Redis, plus experience scaling data-intensive APIs. The role is onsite five days a week in Boston, with direct contact with enterprise customers.