Web UI Developer (React Js + Node Js)

RRVL One Tech is seeking a highly skilled and results-driven Web UI Developer (SDE3) to architect and optimize our next-generation web applications. This role requires 7 10 years of professional experience with a mandatory minimum of 6 years in and development. We are looking for an owner who can drive performance and technical excellence in a high-scale environment.

You will be responsible for leading the development of high-performance large-scale UI systems ensuring optimal user experience focusing heavily on Core Web Vitals and rendering efficiency. Experience in the e-commerce domain is preferred.

Mandatory Responsibilities & Scope

• Architect design and maintain highly scalable and performant UI modules using .
• Build and integrate backend services and microservices using .
• Drive aggressive performance optimization across applications focusing on load times caching and Core Web Vitals (LCP FID CLS).
• Lead UI feature development from architecture to deployment owning end-to-end delivery of frontend modules.
• Conduct advanced code reviews mentor junior/mid-level engineers and enforce engineering best practices.
• Collaborate seamlessly with cross-functional teams in an Agile environment.

Mandatory Technical Expertise

Candidates must possess deep technical expertise in the following:

• Architecting complex UI systems using for large-scale applications.
• Hands-on experience in performance optimization including bundle size reduction and rendering improvements.
• Strong proficiency in Hooks and Redux/Context API.
• Deep understanding of and backend integrations.
• Expertise in web performance metrics and optimization techniques.
• Strong command of JavaScript (ES6) HTML5 CSS3 and responsive UI design.
• Familiarity with Git CI/CD pipelines and modern bundlers (Webpack/Vite/Babel).
• Proficiency using Agentic AI and GenAI assisted coding tools (like Cursor Antropic Claude Code) for rapid development and optimization.

Qualifications & Preferred Skills

• Bachelors/Masters degree in Computer Science.
• Experience in e-commerce platforms with high-scale traffic (Preferred).
• Exposure to micro-frontend architecture (Preferred).
• Experience with cloud platforms such as AWS GCP or Azure (Preferred).

If you are a senior expert ready to own and optimize our web platform apply now!