Senior Software Development Engineer - Web (AdTech)

🏢 About JioStar

JioStar's Ad Platform is among the premier video advertising ecosystems in India, powering monetization across Video-On-Demand and record-breaking live sports tournaments. The team builds across the full adtech stack, delivering high-impact, non-intrusive interactive ad experiences to hundreds of millions of simultaneous viewers.

🎯 The Role

As a Senior Software Development Engineer - Web, you will own and lead critical user-facing advertising features and playback integrations across the JioHotstar website and TV web applications. You will deliver high-performance interactive components, maintain strict operational excellence, and optimize web delivery for memory- and network-constrained devices.

🛠️ Tech Stack

• Core Languages: Modern JavaScript (ES2022+), TypeScript, HTML5, CSS3
• Frameworks & Libraries: React.js, Web Components, Custom In-House Frameworks
• Architecture: Design Systems, Modular Micro-Frontends, Browser Runtime APIs
• Tooling: Git, Webpack, Rollup, Performance Profiling Tools

💼 What You'll Do

• Lead end-to-end design and delivery of user-facing ad features across web and connected TV surfaces.
• Ensure technical feasibility and pixel-perfect implementation of complex UI/UX designs.
• Contribute reusable code, cross-functional libraries, and primitives to JioStar's in-house Design System.
• Optimize client-side memory footprint and runtime execution for low-spec smart devices and high-latency networks.
• Mentor mid-level and junior software engineers, upholding high standards for code quality and test coverage.

✅ What You'll Need

• 4-7 years of professional experience as a frontend engineer with deep, hands-on mastery of JavaScript and browsers.
• In-depth understanding of browser rendering engines, network waterfall analysis, and performance profiling.
• Strong command of modern frameworks, architecture patterns, and design system engineering.
• Solid track record of owning features from initial system design through production deployment.
• Bachelor's or Master's degree in Computer Science, Information Technology, or a related discipline.

🌟 Nice to Have

• Prior experience in video advertising (VAST, VPAID, client-side ad insertion) or digital media streaming.
• Open-source contributions or active participation in the web standards ecosystem.