LangChain
Series AOpen-source framework & developer platform for building LLM applications
AI InfrastructureTotal Raised: $35M👥 51-200 Employees📍 San Francisco, USA
About LangChain
LangChain is the standard framework and enterprise platform (LangSmith & LangGraph) for building context-aware, agentic LLM applications. Used by hundreds of thousands of developers worldwide, LangChain simplifies prompt chaining, memory retrieval, tool calling, and agent deployment.
Founders & Leadership
Harrison ChaseCo-Founder & CEO
Ankush GolaCo-Founder
Investors & Backers
Funding History
2 roundsOpen Careers at LangChain
15 open rolesEngineering•San Francisco, CA
Posted Feb 10, 2025Onsite
Sales•St. Louis, MO
Posted Jul 30, 2026Onsite
Sales•San Francisco, CA
Posted Mar 24, 2026Onsite
Engineering•San Francisco, CA
Posted Feb 10, 2025Onsite
Engineering•New York, NY
Posted Jun 11, 2026Onsite
Engineering•San Francisco, CA
Posted Feb 19, 2025Onsite
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