Hamza Khan

Frontend Developer

Mumbai 3+ yrs exp 88 · Excellent

About

Results-driven Frontend Developer with deep expertise in React.js, Next.js, Typescript and React Native. Skilled in building scalable, high-performance web and mobile applications with clean, reusable components and optimized architecture. Known for improving UI workflows, mentoring teams, and implementing performance enhancements. Strong command over JavaScript (ES6+), UI frameworks, state management patterns, and modern frontend engineering principles.

Skills & Expertise (43)

React.js Advanced

8.5/10

Years Exp

Next.js Intermediate

7.5/10

Years Exp

Typescript Intermediate

7.0/10

Years Exp

REST API development Intermediate

7.0/10

Years Exp

Git Intermediate

6.5/10

Years Exp

Node.js Intermediate

6.5/10

Years Exp

Custom Hooks Browser DevTools Scalable folder structures Component Architecture React Native Firebase Auth Firestore Push notifications Postgresql SQL Firebase Realtime DB GitHub Postman VS Code Jira NPM Yarn Cd basics Responsive UI Javascript (ES6+ Web Socket Notifications HTML5 CSS3 Tailwind CSS bootstrap Material UI SASS code splitting Express.js JWT Authentication API Error Handling Redux Toolkit Context API Zustand UI Performance Optimization lazy loading

Work Experience

Senior React.js Developer

Q2pay Technologies Pvt Ltd

Apr 2025 - Present

Leading and mentoring a team of 5 developers, enforcing coding standards and best practices. Designed and delivered major features including bulk transactions, scheduled payments, Push Notifications and unified bank and live statements. Created scalable shared component libraries used across multiple applications. Implemented performance enhancements that reduced UI rendering time. Collaborated with designers, backend teams, and QA to deliver seamless end-to-end user experiences.

React.js Developer

Q2pay Technologies Pvt Ltd

Mar 2024 - Sep 2025

Built responsive, accessible, and pixel-perfect UIs based on Figma design specifications. Developed modular and reusable React components to improve development efficiency. Integrated REST APIs, improved error handling, and enhanced data flow stability. Collaborated with UI/UX teams to optimize interfaces for user engagement.

React.js & React Native Developer

Pansuriya Impex

Jan 2023 - Nov 2023

Developed modern, responsive web applications using React.js. Built and deployed production-ready mobile applications with React Native on the Google Play Store. Optimized mobile UI performance with improved component rendering and lazy loading. Worked with cross-functional teams including design, backend, and QA. Implemented reusable utilities and improved app reliability through clean architecture principles.