Python OSS Engineer

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.

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.

- Improving the core abstractions and runtime of the langchain and langgraph packages

- Improving documentation https://python.langchain.com/docs/integrations/providers/

- Answering user questions and resolving issues

- Use langchain to build example applications

- 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

- 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

- Annual salary range: $150,000- $250,000

We offer competitive compensation that includes base salary, variable compensation for relevant roles, meaningful equity, benefits, and perks.

We are hiring for this role across a range of scope, and the compensation band reflects that. Your offer depends on what we learn about your impact, craft, leadership, and communication during the interview process. We will tell you early where you’re tracking and talk comp with you before offer stage. Team members in the EU, UK, and APAC receive locally competitive benefits aligned with regional norms and regulations.

Benefits include medical, dental, and vision coverage, flexible vacation, a 401(k) plan, meals on in-office days in the US and more.