Senior Frontend Engineer - Build Scalable AI Observability

LangChain; Cambridge (MA); On-site; USD 175,000 - 240,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Flexible vacation

401(k) plan

In-office meals

Job summary

LangChain in the United States is seeking an experienced frontend engineer for LangSmith, our enterprise platform for observability, evaluation, deployment, and operation of AI agents. This role emphasizes building user-facing features and reusable components in React and TypeScript.

The role involves close collaboration with cross-functional teams to translate designs into high-quality code and optimize performance across diverse devices and browsers, with an emphasis on UX and scalable

Qualifications

• Front-end engineering proficiency with React and TypeScript.
• Experience with REST APIs and modern front-end tooling.
• Strong written and verbal communication.
• Degree in computer science or a related field.

Responsibilities

• 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 performance across devices and browsers.
• Collaborate with full-stack/backend and UX/UI designers to improve usability.

Skills

React

JavaScript

TypeScript

REST APIs

JWTs

UX

Communication

Ownership

Education

Bachelor's in Computer Science

Tools

Babel

Vite

Webpack

NPM

Yarn

Job description

LangChain in the United States is seeking an experienced frontend engineer for LangSmith, our enterprise platform for observability, evaluation, deployment, and operation of AI agents. This role emphasizes building user-facing features and reusable components in React and TypeScript.

The role involves close collaboration with cross-functional teams to translate designs into high-quality code and optimize performance across diverse devices and browsers, with an emphasis on UX and scalable