Python Oss Engineer (AI)

Location: On-site 5 days per week in San Francisco, CA or Boston, MA; San Francisco preferred

Annual salary: $150,000–$250,000

Company

LangChain builds open-source frameworks and a platform for building, evaluating, deploying, and operating AI agents at scale.

What you will do

• Improve the core abstractions and runtime of the LangChain and LangGraph Python packages.
• Maintain reliable, scalable, and production-ready open-source libraries.
• Improve documentation across the LangChain ecosystem.
• Answer user questions and resolve issues from the open-source community.
• Build example applications demonstrating production AI systems with LangChain.

Requirements

• 5+ years of software engineering or applied machine learning experience.
• Strong written and oral communication skills, including the ability to explain technical concepts clearly to technical and non-technical stakeholders.
• Ability to thrive in a fast-moving, unstructured environment and identify impactful work.
• Ownership-minded approach with the ability to manage work independently.
• Ability to work on-site five days per week in San Francisco or Boston.

Culture & Benefits

• Meaningful impact on products, technology, and ways of working.
• Collaboration with the open-source community and incorporation of user feedback.
• Medical, dental, and vision coverage.
• Flexible vacation and a 401(k) plan.
• Meals provided on in-office days in the US.
• Base salary, variable compensation for relevant roles, equity, benefits, and perks.

Hiring process

• Compensation scope is discussed before the offer stage.
• The final offer reflects demonstrated impact, craft, leadership, and communication during interviews.