Python OSS Engineer

At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world.

About the Team:

The Python Open Source team maintains and evolves the core LangChain Python ecosystem used by millions of developers worldwide. We focus on building reliable, well-designed abstractions for developing AI agents and integrating them with real-world tools and systems. The team works closely with the open-source community, incorporating feedback and contributions while ensuring the core libraries remain stable, scalable, and production-ready. Our work defines the developer experience for building AI applications with Python.

About the role:

In person 5 days/week in San Francisco, CA or Boston, MA (SF preferred)

We're looking to add a core maintainer to the LangChain team. This person would be responsible for maintaining and improving the LangChain Python package.

What You'll Do:

• Improve the core abstractions and runtime of the LangChain and LangGraph packages
• Improve documentation across the LangChain ecosystem
• Answer user questions and resolve issues from the community
• Use LangChain to build example applications that demonstrate how to build production AI systems

What You'll Bring:

• 5+ years of software engineering experience