ReactJS Developer Lead

About the Company

Bharti Airtel Limited is a major global telecom operator with business across 20 countries in Asia and Africa. Based in New Delhi, India, it is among the world’s top three mobile service providers by subscriber count. In India, Airtel provides 2G, 3G, and 4G wireless services, mobile commerce, fixed-line services, high-speed DSL broadband, IPTV, DTH, and enterprise offerings such as national and international long-distance services for carriers. Across its markets, it serves more than 331 million customers, as recorded at the end of June 2015.

Role Overview

This position is for a frontend engineer who will contribute to web and connected TV products. The job combines building new capabilities with keeping the current application stable and performant. You will collaborate closely with product, design, and backend teams.

Key Responsibilities

• Develop, enhance, and support frontend applications using React and/or SolidJS.
• Create reusable UI components that are straightforward for others to understand and maintain.
• Connect the frontend to REST APIs and other asynchronous data sources.
• Investigate, isolate, and resolve frontend defects.
• Measure and improve rendering speed, memory consumption, and application startup time.
• Participate in code reviews and contribute to architecture-related discussions.

Required Skills and Knowledge

The ideal candidate should have practical experience with React or SolidJS, TypeScript, JavaScript (ES6+), and Node.js. A solid understanding of data structures and algorithms, asynchronous programming, API integration, state management, component-based design, common frontend patterns, and cross-browser/responsive behavior is also expected.

Preferred Experience

Additional advantage will be given to candidates with exposure to LightningJS or similar frameworks for constrained devices, HTML5 Canvas, WebGL, GPU-based rendering, smart TV or set-top box development, Android TV, Fire TV, Tizen, or webOS. Familiarity with video streaming technologies such as HLS, MPEG-DASH, adaptive bitrate streaming, and DRM systems like Widevine and PlayReady is useful. Knowledge of rendering pipelines, texture handling, animation optimization, low-memory device performance, WebAssembly, Service Workers, Web Workers, browser paint/layout internals, and video player integration with streaming analytics will also be beneficial.

Eligibility

Applicants must hold a B.Tech or B.E. degree in any specialization.