Senior Fullstack Software Engineer, AI Observability & Evals Platform (NY)

Company

LangChain

Where

San Francisco, CA

Level

Senior

First seen

October 9, 2026

Listed via

Ashby

What the posting says

We're looking for a Senior Fullstack Engineer for our commercial product LangSmith, an observability and evals platform. In this role, you'll have the opportunity to shape the technical direction of our platform while working closely with enterprise customers, developer end-users and internal stakeholders. WHAT YOU WILL DO: - Lead the technical architecture and implementation of key product features for LangSmith, working across our entire Go, Python, and Typescript stack. - Collaborate closely with product and design teams to iterate on new features. - Mentor and guide more junior members…

Read more and apply on LangChain's site

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