Senior Frontend Engineer, AI Observability & Evals Platform

The role

You will develop and enhance new features on LangSmith, an enterprise platform for LLM application observability, testing, and debugging. You will build reusable components and translate designs into high-quality code using React and TypeScript.

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

Required qualifications

• Extensive front-end engineering experience with strong proficiency in React, JavaScript and TypeScript
• Hands-on experience with front-end development tools like Babel, Vite, Webpack, NPM, and Yarn
• Familiarity with REST APIs and experience working closely with fullstack and backend engineers
• Knowledge of modern authorization mechanisms, such as JWTs
• Strong written and oral communication skills
• Ability to explain technical concepts clearly and concisely to both technical and non-technical stakeholders
• The DNA to thrive in a start-up, fast-paced environment
• An ownership mind-set
• Strong computer science fundamentals, ideally with a degree in computer science or related field

Benefits

• medical, dental, and vision coverage
• flexible vacation
• 401(k) plan
• meals on in-office days in the US

About the company

LangChain builds the foundation for agent engineering, offering open-source tools and a platform for building, evaluating, deploying, and operating agents at scale. The company has 100M+ monthly open source downloads and serves many Fortune 500 companies.