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Front End Developer Angular Developer React.js Web Developer

Senior UI Developer to design and build web interfaces using Angular and React - JP

Job in Toronto, Ontario, M5A, Canada
Listing for: S.i. Systems
Part Time, Contract position
Listed on 2026-07-21
Job specializations:
  • Software Development
    Front End Developer, Angular Developer, React.js, Web Developer
Job Description & How to Apply Below
Position: Senior UI Developer to design and build web interfaces using Angular and React - JP954

Our financial services client is seeking a Senior UI Developer to design and build web interfaces using Angular and React

Duration:
Until Dec 31st, (high possibility of extension)

Location:

Downtown Toronto (Hybrid, 2 days a week - Monday and floating day)

Hours of Operation: 9 - 5

We’re hiring a UI Developer to design and build intuitive, responsive, high-performing web interfaces using both Angular and React. You’ll partner with UX, product, and backend teams to deliver seamless user experiences.

What you’ll do

  • Build responsive web interfaces with Angular and React.
  • Translate UX designs into clean, maintainable, reusable UI components.
  • Ensure accessibility, performance, and cross-browser compatibility.
  • Integrate UIs with RESTful APIs.
  • Write unit tests, participate in code reviews, and troubleshoot UI issues.

    • What you bring (required)

  • 7+ years of front-end/web development experience.
  • Professional experience delivering production applications with React 19 and Angular 21+.
  • Strong skills in HTML5, CSS3, JavaScript (ES6+), and TypeScript.
  • State management experience (e.g., Redux, NgRx, Context API).
  • Modern build/tooling experience (e.g., Webpack, Vite).
  • Unit testing experience (e.g., Jasmine, Jest).
  • Experience with Angular Material.

    • Nice to have

  • Open Fin experience (asset).
  • CI/CD familiarity.
  • CSS frameworks (Bootstrap, Tailwind).
  • Performance optimization experience.
  • Exposure to lightweight JS frameworks (e.g., Mithril.js).

    • Education

    Bachelor’s degree in CS (or related) or equivalent practical experience.

    Position Requirements
    10+ Years work experience
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