Destava

Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)

LangChain is hiring for Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith) in Boston, MA. Senior level. First seen September 13, 2026; open as of November 12, 2026. Jobs taken straight from company career pages — no aggregator in between.

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Company
LangChain
Where
Boston, MA
Level
Senior
First seen
September 13, 2026
Listed via
Ashby

What the posting says

In this role you will be building the backend systems that power LangSmith, LangChain’s observability and evals platform. You will work on the core services that allow our customer's developer teams to monitor and evaluate their AI applications at scale. While the focus is on backend feature development, familiarity with fullstack or frontend engineering, performance tuning, and debugging production issues would be valuable. WHAT YOU'LL DO: - Design, develop, and maintain backend services and APIs to support LangSmith’s tracing, monitoring, and evaluation workflows. - Collaborate on…

Read more and apply on LangChain's site

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