# Senior Frontend Engineer, AI Observability & Evals Platform

Hiring organization: [LangChain](https://career.thegoodapps.co/organizations/langchain)

Canonical page: https://career.thegoodapps.co/jobs/6dd41b62-d355-4fc9-8b3e-a92acc6f9b3f

Listed on LangChain's own careers site. Applications go to them directly.

- Employment type: full time
- Seniority: Senior
- Location: Boston, NY
- Salary: 175000 – 240000 USD per year

## Summary

This role involves building and improving user-facing features for LangSmith, an enterprise platform for AI application monitoring and testing. It suits experienced React developers who want to work on production systems at a well-funded AI infrastructure startup.

_Our summary, not LangChain's wording._

## Skills named

JavaScript, npm, React, REST APIs, TypeScript, Vite, Webpack, YARN

## Required

- Extensive frontend engineering experience with React, JavaScript, and TypeScript
- Proficiency with frontend development tools like Babel, Vite, Webpack, NPM, and Yarn
- Familiarity with REST APIs and collaboration with backend engineers
- Knowledge of modern authorization mechanisms such as JWTs
- Strong communication skills
- Computer science fundamentals

## Nice to have

- Degree in computer science or related field

Apply on LangChain's site: https://jobs.ashbyhq.com/langchain/afb91b9b-46d5-4c9d-aa84-a4f1a3f74263/application