Design Systems Developer

Bring your expertise in design systems to a role where you’ll help shape consistent, accessible, and scalable digital experiences across mobile and web. This opportunity is ideal for someone who enjoys collaborating with design and engineering teams to build reusable UI components, improve workflows, and support enterprise-wide adoption of shared front-end standards. Responsibilities

• Design, build, and maintain reusable UI components for mobile and web applications.
• Develop high-quality front-end solutions using React Native and ReactJS.
• Create and support component libraries, design tokens, and shared UI foundations that promote consistency across platforms.
• Partner with design teams to translate visual designs and component specs into production-ready code.
• Ensure components are responsive, accessible, performant, and compatible across browsers and devices.
• Support design system governance, including contribution processes and adoption across product teams.
• Coordinate releases and collaborate with other engineering teams to manage dependencies effectively.
• Use AI-assisted development tools to support productivity, testing, documentation, accessibility improvements, and workflow automation.
• Promote best practices for architecture, code quality, testing, documentation, and accessibility.
• Help improve design-to-code workflows and mentor engineers contributing to shared systems.
• Lead code reviews and help manage timelines, priorities, and stakeholder expectations.

• 5+ years of experience in web and mobile application development, including work with reusable UI frameworks or design systems.
• 3+ years of hands-on experience with React Native and ReactJS.
• Experience turning Figma designs into reusable, production-ready components.
• Strong understanding of design tokens, theming, and scalable branding systems.
• Experience developing, testing, and deploying user-facing web and mobile applications.
• Working knowledge of accessibility standards and inclusive design practices.
• Ability to collaborate effectively in Agile, cross-functional, and distributed teams.
• Strong communication skills and a thoughtful, team-oriented approach.
• Experience building or maintaining enterprise design systems, shared libraries, or front-end platforms.
• Comfort working on performance optimization and platform-specific considerations for iOS and Android.

Preferred Skills

• Experience with Git, Redux, and React Native Web.
• Familiarity with RESTful JSON APIs.
• Knowledge of C# and .NET technologies.
• Experience in healthcare or digital health environments, including Epic MyChart or similar systems.
• Hands-on experience using AI-assisted development tools such as Claude Code, Codex, or similar technologies.
• Experience supporting design system adoption and governance across multiple product teams.

Horizontal is committed to creating an inclusive, welcoming environment where different perspectives are valued and everyone has the opportunity to contribute and succeed. We believe diversity, equity, and inclusion strengthen our teams, improve our work, and help us better serve the communities we support.