The opportunity
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 you'll do
Build and own LangChain’s component library Design and implement reusable,: composable React components that are flexible, accessible, and production-ready
Partner closely with designers to translate design systems, tokens, and interaction patterns into code
Build reliable UI quality systems Develop design system tooling and improve: workflows around theming, tokens, versioning, testing, and component discovery (e.g. Storybook)
Make thoughtful architectural decisions that enable accessibility,: performance, consistency, and maintainability across LangChain’s UI stack
Improve UI build and test workflows Optimize build performance, bundling: strategy, and package versioning for the component library
Maintain tooling for testing, dependency management of the UI app
What they're looking for
- Strong experience building modular, composable, and well-documented component libraries and/or design systems
- Deep knowledge of React, TypeScript, HTML, and CSS, f amiliarity with: styling approaches (CSS Modules, CSS-in-JS, Tailwind, Sass, etc.) and design system toolings (Storybook, Chromatic, tokens pipelines, etc.)
- Experience collaborating closely with designers and non-engineering partners
- Strong attention to detail and a high bar for craft and genuine passion for accessibility and inclusive design
