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LangChain

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Raised $125M Series B on October 20, 2025

Raised $125M Series B on October 20, 2025

LangChain is a language model application development library that develops a language model framework to power applications that integrate with other sources of data and interact with their environment. Its platform also offers support for various model types, prompt management, memory, indexing, chains, and agents to help developers create generative artificial intelligence like personal assistants, question-answering bots, chatbots, and data querying.

San Francisco, United States

·

$125M Series B

·

DevTools

·

Onsite

·

51–200

Partner Alliances Lead - Cloud

San Francisco, CA · Posted on Apr 8, 2026

Customer Engineer (London)

London · Posted on Apr 4, 2026

Customer Engineer

Europe · Posted on Apr 4, 2026

Customer Engineer (Amsterdam)

Amsterdam · Posted on Apr 4, 2026

Enterprise Account Executive (Federal)

Washington DC · Posted on Apr 3, 2026

Deal Strategy & Operations Manager

San Francisco, CA · Posted on Apr 1, 2026

Commercial Account Manager (East Coast)

New York, NY · Posted on Apr 1, 2026

Technical Support Engineer

San Francisco, CA · Posted on Mar 31, 2026

Commercial Account Manager (UK)

London · Posted on Mar 31, 2026

Product Marketing - Agent Infrastructure

New York, NY · Posted on Mar 30, 2026

Sales Development Representative Manager

New York, NY · Posted on Mar 30, 2026

Brand Lead

New York, NY · Posted on Mar 30, 2026

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