Job Description – Software Engineer, Design System

Interested in applying your wealth of technical knowledge and experience towards an opportunity in the medical field where you can improve the lives of people with diabetes? 

Our Design System and Component Library Team is dedicated to fostering consistency, reusability, and accessibility through a well-maintained custom component library and design system utilized across all teams and projects. We’re looking for an experienced engineer to join our Component Library Team, contribute to expanding our design system, and create exceptional user experiences across all of our products.

Responsibilities

• Build, maintain, and enhance our in-house component library that is used across our React and React Native projects.
• Collaborate with our Product Designer and UX team to translate Figma designs, component specs, and accessibility requirements into production-ready code.
• Establish and enforce best practices around theming, styling (CSS-in-JS, StyleSheet), tokens, and responsive layouts.
• Write comprehensive documentation, usage guidelines, and automated tests for every component.
• Mentor and guide other engineers on library usage, versioning, and integration in web and mobile apps.
• Partner with Quality Assurance to build visual regression tests and ensure cross-platform consistency.
• Contribute to continuous-integration pipelines, release processes, and package management.
• Research and prototype new patterns, tools, and performance optimizations for React and React Native.

Required Qualifications 

• 4+ years of professional experience in frontend or hybrid mobile development.
• Experience building component libraries or design systems at scale.
• Expert proficiency in React.
• Strong working knowledge of React Native.
• Solid understanding of design-tokens, theming systems, and CSS-in-JS solutions (styled-components, Emotion, etc.).
• Experience with TypeScript, functional component patterns, and modern JavaScript (ES6+).
• Familiarity with testing frameworks (Jest, React Testing Library, Detox or Appium) and visual regression tools (Chromatic, Storybook).
• Deep commitment to web accessibility standards (WCAG 2.1+) and mobile accessibility best practices.
• Proven track record working closely with design teams and translating mockups into reusable components.
• Enthusiasm for clean, well-documented code; comfortable writing and reviewing thorough PRs.
• Excellent collaboration and communication skills in a distributed, cross-functional team.
• Outstanding interpersonal and collaboration skills.

Preferred Qualifications

• Experience with monorepos and multi-package management.
• Background in theming engines or style-linting tools.
• Contributions to open-source component libraries or design systems.
• Familiarity with Tamagui for cross-platform UI development.