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LangChain, Inc

Frontend Engineer, Observability & Evals Platform (LangSmith)

LangChain, Inc, San Francisco, California, United States, 94199

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About LangChain

At LangChain, our mission is to make intelligent agents ubiquitous. We help developers build mission-critical AI applications across the entire agent development lifecycle. Our open source frameworks - LangChain and LangGraph - see over 70+ million downloads per month. Developers rely on LangChain for composable integrations and LangGraph for controllable agent orchestration. Our commercial agent platform, consisting of LangSmith and LangGraph Platform, enables teams to build, test, run, and manage agents at scale across their organization.

Founded in 2023, LangChain powers top engineering teams at companies like Replit, Lovable, Clay, Klarna, LinkedIn, and more.

About the role:

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

We're looking to add a frontend engineer to our LangSmith team. You will develop and enhance features for our enteprise 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 enhance usability 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 ideally working on complex SaaS/enterprise platforms Strong proficiency in React, JavaScript and TypeScript Hands-on experience with front-end development tools like Babel, Vite, Webpack, NPM, and Yarn Familiarity with RESTful APIs and working with engineers on fullstack products Knowledge of modern authorization mechanisms, such as JWTs A passion for user experience, design and building clean, engaging, and intuitive interfaces Have strong written and oral communication skills, with the 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. Views unstructured environments as an opportunity to figure out the most impactful work and define the future success of the company An ownership mind-set. You are self-driven and look for opportunities to make an impact. Compensation & Benefits:

Competitive salary and equity stake for role and stage of company. Commensurate with experience. Annual salary range: $155,000-$195,000 USD