Senior Frontend Platform Engineer, Design Systems - Remote

Overview

LangChain is building the infrastructure that powers the next generation of AI applications, focusing on creating a cohesive, scalable, and high-quality UI foundation.

In Short

• Build and own LangChain’s component library.
• Design and implement reusable, composable React components.
• Partner closely with designers to translate design systems into code.
• Develop design system tooling and improve workflows.
• Make architectural decisions for accessibility and performance.
• Optimize build performance and maintain UI testing tools.
• Strong experience in building component libraries.
• Deep knowledge of React, TypeScript, HTML, and CSS.
• Collaborate with designers and non-engineering partners.
• Passionate about accessibility and inclusive design.

Requirements

• Experience with modular and composable component libraries.
• Familiarity with CSS Modules, CSS-in-JS, Tailwind, and Sass.
• Knowledge of design system toolings like Storybook.
• Attention to detail and high standards for craft.
• Experience in testing UI components and visual regression testing.

Benefits

• Competitive compensation including base salary and equity.
• Benefits include medical, dental, and vision coverage.
• Flexible vacation and a 401(k) plan.
• Life insurance and region-specific benefits.