Senior UI Developer

• What You’ll Own • What You’ll Own • 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 • Experience extending or building on top of headless or foundation UI systems (such as Radix) • Experience leveraging Figma-based workflows to connect design system definitions with production code (e.g., Code Connect, MCP, or similar tools) • Extra Details • Full-time, permanent role with competitive compensation and equity • Remote-friendly across Canada • Benefits include extended health coverage, unlimited PTO, and RRSP matching • Equity NoteFrequently cited statistics show that people who identify with historically marginalized groups are likely to apply to jobs only if they meet 100% of the qualifications. We encourage you to help us break that statistic and apply even if you don’t meet every single qualification—your potential is what matters most to us. • Equity Note