LangChain

Frontend Engineer, AI Observability & Evals Platform

LangChain
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about 3 hours ago
Boston, MA, USA +2 moreMid Level
H1B Sponsor

Base Salary

$160k - $195k/yr

Responsibilities

  • Develop new user-facing features using React and TypeScript.
  • Build reusable components and frontend libraries for future use.
  • Translate designs and wireframes into high-quality code.
  • Optimize components for performance across web-capable devices and browsers.
  • Collaborate with full-stack engineers, backend developers, and UX/UI designers to improve usability.

Requirements

  • At least 2 years of frontend engineering experience.
  • Strong proficiency in React, JavaScript, and TypeScript.
  • Hands-on experience with Babel, Vite, Webpack, NPM, and Yarn.
  • Familiarity with REST APIs and collaboration with full-stack and backend engineers.
  • Knowledge of modern authorization mechanisms such as JWTs.
  • Strong computer science fundamentals; a computer science or related degree is ideal.
  • Strong written and oral communication skills.
  • Passion for user experience, design, and intuitive interfaces.
  • Ability to thrive in a fast-paced, unstructured startup environment with an ownership mindset.

Benefits

  • Annual salary range is $160,000-$195,000 USD.
  • Medical, dental, and vision coverage.
  • Flexible vacation.
  • 401(k) plan.
  • Meals on in-office days in the US.
  • Based in San Francisco, New York, or Boston; employees within commuting distance work in the office five days per week, while some outside commuting distance may be eligible for hybrid arrangements.

Tech Stack

Categories

LangChain

About LangChain

201-500 employees

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. What began as widely adopted open-source tools has grown into a platform for building, evaluating, deploying, and operating agents at scale. LangChain provides the agent engineering platform and open source frameworks developers need to ship reliable agents fast. LangSmith offers observability, evaluation, and deployment for rapid iteration. Our open source frameworks, LangGraph, LangChain, and Deep Agents, help developers build agents with speed and granular control. LangSmith is trusted by leading AI teams at Zip, Vanta, Klarna, Workday, Linkedin, Cloudflare, and more.