LangChain
Senior Frontend Engineer, AI Observability & Evals Platform
US
UTC-10 to UTC-5 $180k to $240k per year Full time
Senior
- Where you can live
- Remote - US
- Working hours
- Overlap with UTC-10 to UTC-5
- Salary
- USD 180,000 to 240,000 per year
- Posted
- August 13, 2026
Summary from the posting
This position can be based remotely in
We’re looking to bring on an experienced frontend engineer to develop and enhance new features on LangSmith, our enterprise platform product for LLM application observability, testing, and debugging.
What You Will Do
Develop new user-facing features using React & Typescript
Build reusable components and front-end libraries for future use
Translate designs and wireframes into high-quality code
Optimize components for maximum performance across a vast array of web-capable devices and browsers
Collaborate with fullstack and backend developers and UX/UI designers, to enhance usability
This is a short summary. The full description, requirements and the application form are on LangChain's own career page.