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React.JS Developer
LinkedIn Recruiter Post
Hiring React.JS Developer for hybrid role in Mississauga, ON. Requires strong ReactJS, HTML5, CSS, JavaScript, and Redux experience.
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
Requirements
- 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.
Benefits
- extended health coverage
- unlimited PTO
- RRSP matching
Job title
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Degree requirement
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