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JSG (Johnson Service Group, Inc.)

UI Developer

JSG (Johnson Service Group, Inc.)
Canada · Contract · Entry
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

Key Skills

Ranked by relevance

react javascript responsive reactjs html5 git ui
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Country Guide

Canada

Express Entry & tech-friendly immigration

Posted
Mar 25, 2026
Type
Contract
Level
Entry
Location
Toronto
Company
JSG (Johnson Service Group, Inc.)

Industries

Staffing Recruiting

Categories

Information Technology

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