Senior Frontend Engineer | React & TypeScript | Enterprise Dashboards, Advertiser Platforms & High-Performance UIs | 8+ Years Experience
Building Scalable, Accessible, and High-Performance Web Experiences
Senior Frontend Engineer with 8+ years of experience | Currently based in Bengaluru, India 🇮🇳
I specialize in building data-intensive, high-performance web applications using React.js, TypeScript, Redux, and Zustand. Currently a Software Engineer III at Walmart Global Tech, where I build enterprise advertiser tooling used across campaign management and reporting workflows.
Strong experience integrating microservice-based backend systems and secure APIs — with a sharp focus on performance, state architecture, security, and maintainable frontend systems that scale with the team.
🚀 Rendering optimization and Lighthouse 95+ performance scores
🧩 Scalable state management with Redux Toolkit, Zustand & Context API
🔐 Secure API integration — auth, authorization, and RBAC
♿ WCAG 2.1 accessible, ARIA-compliant component systems
📦 Reusable component libraries adopted across engineering teams
🛠️ Microservices integration and API-driven frontend architecture
| Metric | Achievement |
|---|---|
| ~20% | Application performance improvement at Walmart via rendering optimization |
| 30% | Reduction in development effort through reusable ARIA-compliant component systems |
| 25% | Faster page loads in data-heavy logistics dashboards at Shipsy |
| 95+ | Lighthouse score achieved through code splitting and bundle optimization |
| 78% | Codebase reduction by re-architecting bill payment system at Dew Solutions |
| 50% | Faster feature development for new payment categories |
- 🏢 Walmart Global Tech, Bengaluru — Software Engineer III, DSP advertiser platform (Oct 2021 – Present)
- 🚢 Shipsy, Gurugram — Software Engineer L2, EXIM global logistics platform (Jan 2021 – Oct 2021)
- 📱 Dew Solutions, Gurugram — Software Engineer, Tata Neu super app PWA (Feb 2020 – Dec 2020)
- 💻 Daffodil Software, Gurugram — Associate IT, Asort e-commerce platform (Mar 2018 – Feb 2020)
Juntos — Co-watch synchronized video app with real-time chat powered by Socket.IO and YouTube API. Built with modular class-based frontend architecture, Webpack, Babel, and CI/CD pipelines.
JD Academy — E-learning mobile application (Android & iOS) built with React Native and Native Base UI. Includes video player, quiz, and notes modules with auto OTP read and smooth animations.
I'm always open to discussing:
Frontend Architecture • React & TypeScript • Performance Engineering
Enterprise UI Systems • State Management • Senior & Staff Engineering Roles
📧 Email: hassan.raja07@gmail.com
💼 LinkedIn: linkedin.com/in/hassan-raza786
📱 Phone: +91 7836049914
"Scalable frontend isn't just about the components — it's about the decisions that let your team move fast without breaking things."
⭐ If you like my work, consider starring some repositories!
Made with ❤️ by Hassan Raza