Ux à Canada

Job Description

Salary : Company Overview

Uplifter is a SaaS company that provides innovative, reliable solutions to sports organizations, helping them streamline operations, enhance member management, and scale efficiently. We are committed to leveraging cutting-edge technology to empower sports clubs and federations to manage their activities effectively.

Position Overview

We are seeking a Frontend Developer to contribute to the migration of our legacy frontend system to React while focusing on performance, scalability, and maintainability. This role will be hands-on, working closely with senior developers, backend engineers, and UX designers to deliver a modern and optimized user experience.

If you have experience with React, frontend performance optimization, and modern development best practices, this is an excellent opportunity to work on a large-scale migration and grow your skills in a collaborative team environment.

Key Responsibilities :

• Frontend Modernization & Migration
• Assist in the migration from a legacy frontend system to React, ensuring smooth transitions and maintaining feature parity.
• Follow best practices for React development, state management, and component architecture.
• Refactor and replace legacy frameworks with modern React components.

Performance Optimization

• Implement CSS optimization techniques, lazy loading, and asset preloading to improve page load speeds.
• Assist in developing and optimizing service worker caching strategies.
• Work with backend teams to enhance server-side rendering (SSR) and API performance.
• Support efforts to improve Core Web Vitals such as Largest Contentful Paint (LCP).
• Conduct performance audits using Lighthouse, WebPageTest, and Chrome DevTools to identify and resolve bottlenecks.

Collaboration & Cross-Team Work

• Work closely with senior frontend developers and backend engineers to optimize data fetching strategies and API integration.
• Collaborate with UX / UI designers to ensure accessibility, responsiveness, and usability best practices.
• Assist in frontend deployment pipelines and caching strategies in coordination with DevOps engineers.

Requirements

Education :

• Bachelor's degree in Computer Science, Software Engineering, or equivalent experience.

Experience

• 3+ years of experience in frontend development with a focus on React and performance optimization.
• Exposure to migrating legacy frontend systems to modern frameworks like React.
• Solid understanding of frontend performance optimization techniques and Core Web Vitals.

Technical Skills

• React.js (Hooks, Context API, Redux, or similar state management).
• JavaScript (ES6+), TypeScript, and modern frontend best practices.
• CSS optimization techniques including critical CSS, lazy loading, and reducing render-blocking resources.
• Service Worker & Client Caching, including progressive web app (PWA) strategies.
• Performance Tools : Lighthouse, WebPageTest, Chrome DevTools, Web Performance APIs.
• Frontend Build & Deployment : Experience with Webpack, Vite, Babel, and CI / CD for frontend apps.

Preferred Qualifications

• Familiarity with micro-frontends, module federation, or frontend monorepos.
• Experience with GraphQL, RESTful APIs, and backend-for-frontend (BFF) architectures.
• Exposure to DevOps practices related to frontend deployment and scaling.

Why Join Uplifter?

• Work on a high-impact React migration project and contribute to a modern frontend architecture.
• Collaborative and innovation-driven environment with modern technologies.
• Hybrid work environment in Ontario including Toronto, Mississauga, and London.
• Competitive salary and benefits (details available upon request).
• Opportunities for growth and mentorship within the engineering team.