More jobs:
UI Developer
Job in
Toronto, Ontario, C6A, Canada
Listed on 2026-08-29
Listing for:
JSG (Johnson Service Group, Inc.)
Part Time
position Listed on 2026-08-29
Job specializations:
-
Software Development
React.js, Front End Developer, HTML CSS, Javascript
Job Description & How to Apply Below
Our client is seeking a UI Developer (React) to join their team, hybrid Toronto, 3 days per week.
Must Have- Strong experience with React.js and modern JavaScript (ES6+)
- Hands‑on experience with React Hooks
- Practical experience with React Query for data fetching and caching
- Solid understanding of component lifecycle and rendering behavior
- Proven experience with frontend performance optimization
- Experience writing unit tests using tools such as Jest, React Testing Library, or similar
- Strong knowledge of HTML5, CSS3, and responsive design
- Familiarity with REST APIs and asynchronous programming
- Working knowledge of web accessibility standards (WCAG)
- Proficiency with Git and version control workflows
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