engineering
Posted Feb 10, 2025JavaScript Engineer (Open Source Team)
at LangSmith
San Francisco, United StatesOn-site
Requirements
- ABOUT US At LangChain, our mission is to make intelligent agents ubiquitous.
- We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on.
- LangChain is a place where your contributions can shape how this technology shows up in the real world.
- Today, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement.
- About the Team The Open Source team builds and maintains the core libraries that developers use to build AI agents with LangChain.
- The team works directly with the open-source community to improve the ecosystem, maintain core packages, and ensure developers can reliably build and deploy production AI systems using LangChain.
- About the Role We’re looking to add a core maintainer to the LangChain team. This person would be responsible for maintaining and improving the LangChain JavaScript package. In-person in SF preferred.
- What You'll Do - Improve the core abstractions and runtime of the LangChain and LangGraph JavaScript packages - Improve documentation across the LangChain ecosystem - Answer user questions and resolve issues from the developer community - Use LangChain to build example applications that demonstrate best practices for developers building AI systems What You'll Bring - 3+ years of software engineering or applied machine learning
- experience - A background in software engineering - 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 the most impactful work and help define the future success of the company - An ownership-minded approach to work, with the ability to manage your work efficiently and
Benefits
- With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
- Actual compensation and offerings will vary based on role, level, and location.
- Benefits include medical, dental, and vision coverage, flexible vacation, a 401(k) plan, meals on in-office days in the US and more.
Additional details
- We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale.
- We have 100M+ monthly open source downloads, 6,000+ active LangSmith customers, and 5 of the Fortune 10 use LangSmith in production (+ 35% of the Fortune 500 overall), including teams at Klarna, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, LinkedIn, Monday.com, Nvidia, and Bridgewater.
- Team members in the EU, UK, and APAC receive locally competitive
- benefits aligned with regional norms and regulations. BENEFITS