Senior React UI Developer – React.js, TypeScript, JavaScript, Redux Location: Montreal (3 days/week onsite) Role Overview Develop high-performance, scalable React applications while collaborating with UI/UX designers and back-end teams. Key Responsibilities Build user-facing features using React.js. Develop reusable UI components. Optimize application performance and cross-browser compatibility. Integrate back-end APIs. Perform unit testing, bug fixing, and code maintenance. Technical Requirements 5+ years of experience with React.js (Hooks, Context API, Functional Components). Strong skills in JavaScript (ES6+), TypeScript, HTML5, CSS3. Experience with Redux, MobX, or Recoil. Knowledge of Webpack, Vite, Babel, NPM/Yarn. Experience with Jest or React Testing Library. Strong knowledge of Git and GitFlow. Preferred Skills Next.js or Gatsby. Figma, Adobe XD, or Sketch. WCAG accessibility standards. CI/CD and cloud platforms (AWS, Vercel, Netlify). Soft Skills Problem-solving, communication, and adaptability.