Job Description

About the Role
General
We are seeking a Senior Frontend Developer to join our team and help evolve the Arc Design System, which
delivers consistent, scalable, and accessible UI experiences across our digital products. In this role, you will
work closely with UX designers, frontend engineers, the product owner to maintain and enhance our design
system, ensuring it meets the needs of multiple applications and teams.
Key Responsibilities
Develop and maintain reusable UI components within the Arc Design System using React.
Management support for junior developers and contractors internal to the Arc team, to review and guide their execution of tasks in accordance with system principles. (Note: Focus here is on deliverables and skills mentorship, and not line management of individuals which will remain an
accountability of others).
Mentor the developers on the team and give guidance with critical problems or challenging scenarios
User support for external developers from teams consuming the system to help them adopt the latest version and implement its rules and principles.
Collaborate with UX/UI designers and leverage Figma designs to translate specifications into robust, accessible, and performant components.
Apply excellent knowledge on tools like Storybook for cross-team adoption
Project and exemplify design system standards and best practices to maintain consistency and scalability across applications.
Have deep understanding on accessibility compliance (WCAG standards)
Review code, uphold high-quality standards, and advocate for best practices in frontend development.
Experience with Model Context Protocol (MCP) servers for AI integrations, enabling structured context sharing between design systems and AI-powered tools.
Gather feedback from cross-functional teams and iterate on design system features.
Required Skills & Experience
Expert-level proficiency in React and JavaScript/TypeScript.
Strong understanding of React hooks, Context API, and advanced patterns.
Experience with component-driven development and tools like Storybook.
Familiarity with state management libraries (Redux, Zustand, Recoil, etc.).
Knowledge of design systems, UI libraries, and scalable architecture principles.
Proficiency in CSS-in-JS, responsive design, and theming strategies.
Hands-on experience with testing frameworks (Jest, Cypress).
Ability to implement pixel-perfect UI components using Figma designs.
Knowledge of accessibility standards and best practices.
Experience with build tools (Webpack, Vite) and monorepos (Nx or similar) is a plus.
Strong collaboration and communication skills.

Skills Required