Python OSS Engineer

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 to maintain and improve 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 or applied machine learning experience
• Strong written and oral communication skills, with the ability to explain technical concepts clearly and concisely to both technical and non-technical stakeholders
• The ability to thrive in a fast-moving environment and view unstructured environments as an opportunity to identify impactful work and define the future success of the company
• An ownership-minded approach to work, with the ability to manage your work efficiently and effectively without the need for close supervision