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LangChain
LangChain is seeking a Senior Fullstack Engineer to shape the technical direction of its core AI observability platform, LangSmith. This onsite role in Boston involves leading the architecture and implementation of key product features across a Go, Python, and TypeScript stack. The position requires close collaboration with product, design, and enterprise customers to drive aggressive project timelines and maintain high engineering standards.
Company Size
11-50 employees
LangChain is an open agent engineering platform that enables companies to build, test, deploy, monitor, and govern AI agents across the full development lifecycle. Its flagship product, LangSmith, provides observability, evaluation, deployment infrastructure, and governance tooling for production agents, while its open-source frameworks—LangChain, LangGraph, and deepagents—offer flexible options from quick-start templates to low-level agent control. Trusted by over 7,000 organizations and serving 350M+ monthly open-source downloads, LangChain is one of the largest platforms in the AI agent ecosystem.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for LangChain.
51% above the average for this role