Web User Interface Developer

Senior Web UI Developer (SDE3)

We are looking for an owner who can drive performance and technical excellence in a high-scale environment.

Core Web Vitals

Mandatory Responsibilities & Scope

• Architect, design, and maintain

  highly scalable and performant UI modules using

  React.js

  .

• Build and integrate backend services and microservices using Node.js.

• 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.

Technical Expertise

Candidates must possess deep technical expertise in the following:

• Architecting complex UI systems

  using React.js for large-scale applications.

• Hands-on experience in performance optimization

  including bundle size reduction and rendering improvements.

• Strong proficiency in React.js, Hooks, and Redux/Context API.

• Deep understanding of Node.js, Express.js, 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

• Bachelor’s/Master’s 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).

Simran1.Arora@ril.com .