About the role

Senior UI Developer responsible for building and maintaining CoLab's design system and reusable React components. Collaborating with design and engineering teams to ensure quality UI standards.

Responsibilities

Build, evolve, and maintain CoLab’s design system (Schematic), hosted in Storybook
Develop high-quality, reusable React components used across the product
Set standards for component architecture, testing, documentation and accessibility
Write and maintain component-level tests
Partner closely with Product Design to translate intent into scalable UI patterns
Review UI code with an eye toward consistency, accessibility, and long-term maintainability
Help other engineers move faster by giving them strong UI primitives and clear guidance

5–7+ years of professional frontend or UI engineering experience
Deep, hands-on experience with React
Prior experience building and scaling a design system used across multiple teams or products
Strong experience using Storybook as a system of record, not just a demo tool
Experience writing and maintaining component level tests
Strong experience building accessible UI components, including keyboard navigation, focus management, and screen-reader support
Experience managing component lifecycle, including versioning, deprecations, and backward-compatible updates in shared systems
Strong communication skills when collaborating with designers and engineers.