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Senior Frontend Platform Engineer, Design Systems

About UsAt 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. We be

Company

LangChain

Location

Remote - US; Boston, MA; New York, NY

Status

Open

Posted

2026-08-22T02:01:29.778+00:00

LangChain is hiring a senior frontend platform engineer for its design systems team. The person will build and own the company's React component library, translate design tokens and interaction patterns into reusable components, and improve tooling for theming, versioning, testing, and component discovery. The posting asks for deep React, TypeScript, HTML, and CSS experience, familiarity with Storybook or similar tools, and a strong accessibility focus. The role is remote in the U.S., with Boston or New York listed, and sits between design and engineering.