JR-215777 React Developer Senior

Hello, our name is Customertimes, but you can call us CT. We are a global digital engineering, product development, and technology consulting company. Headquartered in New York, we have a team of 1000+ experts working across 65+ countries. Project description: You build and own the user-facing application: fast, usable by everyone, installable, and reliable, including offline scenarios. Location: India (Remote) How you'll make an impact: - Develop and maintain the web client using React 19, TypeScript, and Vite; - Implement Progressive Web App features: service workers, caching strategies, offline support, installability, and push notifications where relevant; - Consume GraphQL APIs efficiently (e.g., Apollo Client or urql), with sound state and cache management; - Build a reusable, WCAG-compliant component library and maintain design consistency; - Optimize performance (bundle size, Core Web Vitals, rendering behavior); - Write unit, component, and end-to-end tests; collaborate with QA on automation; - Participate in code reviews and mentor less experienced engineers; - Collaborate with the Solution Architect, backend engineers, and designers on technical approach. What makes you a great fit: - 5+ years of frontend development, with strong production experience in React and TypeScript; - Hands-on experience with Vite and modern build tooling; - Practical PWA experience (service workers, Workbox, manifest, offline strategies); - Experience with GraphQL clients and client-side state management; - Strong grasp of HTML/CSS, responsive design, and WCAG compliance; - Experience with testing tools (Vitest/Jest, React Testing Library, Playwright/Cypress); - Familiarity with Git workflows and CI pipelines. You are a star if you have: - Experience with React 19 features (Actions, use, Server Components concepts, the React Compiler); - Data visualization experience; - Frontend security and performance monitoring experience. If you're looking to contribute to global projects, grow your skills, shape the way you work, and be part of a connected international community — Customertimes is the place to build your next career chapter. Are you ready to spark the tech with us? Job ID: JR-215777 Originally posted on Himalayas