Frontend Engineer

About LangChain

LangChain was founded in early 2023 to help developers build context-aware reasoning applications. LangChain, open source software, is a framework that gives developers the building blocks to create production-ready applications with LLMs. LangSmith is our commercial, all-in-one SaaS platform that enables the end-to-end, development workflow for building LLM-powered apps. LangSmith is now trusted by the best teams building with LLMs, at companies such as Airbnb, ByteDance, Klarna, Google, Meta, Home Depot, and our 100+ paying enterprise customers.

Backed by some of the best venture capitalists, Benchmark and Sequoia, we have 10x’d+ our revenue last year and have big ambitions and are set up to build an enduring business.

About the role

In person in 5 days/week in San Francisco, CA

We’re looking to add a frontend engineer to our team. Primary responsibilities will be to enhance and develop features for LangSmith , our platform for LLM application observability, testing, and debugging.

• Develop new user-facing features using React.

• 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 team members, including back-end developers and UX/UI designers, to improve usability.

• Write clean, scalable, and documented code.

• Stay up-to-date with emerging technologies and apply them into day-to-day work.

In this role, you’re a good fit if you have:

• A Bachelor’s degree in Computer Science or a related field

• 4+ years of experience in front-end engineering

• Strong proficiency in JavaScript and TypeScript

• A deep understanding of React and its core principles

• Familiarity with RESTful APIs

• Knowledge of modern authorization mechanisms, such as JWTs

• Hands-on experience with front-end development tools like Babel, Vite, Webpack, NPM, and Yarn

• The ability to translate business requirements into technical solutions

• A passion for product design and building beautiful, intuitive interfaces

• Familiarity with git for version control

• Have strong written and oral communication skills, with the ability to explain technical concepts clearly and concisely to both technical and non-technical stakeholders

• Can thrive in a fast-moving environment. Views unstructured environments as an opportunity to figure out the most impactful work and define the future success of the company

• Are ownership-minded. You excel at managing your work efficiently and effectively without the need for close supervision

Compensation & Benefits:

• Competitive salary and equity stake for role and stage of company. Commensurate with experience.

• Annual salary range: $135,000-$185,000 USD