

Worked as a Full Stack Developer at ZVY TOPUP, developing high-performance, scalable web applications using React, TypeScript, Vite, TanStack Router, Tailwind CSS v4, Styled Components, Bun, Elysia, Prisma ORM, and PostgreSQL.




š ZVY TOPUP ā Digital Gaming Top-Up & Payment Platform
Fast ⢠Secure ⢠Scalable ⢠Modern
š Overview
ZVY TOPUP is a modern digital gaming platform designed to provide fast, secure, and reliable game top-up services for players across Bangladesh. The platform simplifies purchasing in-game currency, subscriptions, vouchers, and other digital products through an intuitive web application with a focus on performance, security, and user experience.
The system was built from the ground up using a modern full-stack architecture capable of handling thousands of users, high request volumes, and real-time transactions while maintaining speed and reliability.
šØāš» My Role ā Full Stack Developer
As the Full Stack Developer, I designed, architected, and developed the complete platform from frontend to backend.
My responsibilities included:
Designing the complete system architecture Developing responsive user interfaces Building secure REST APIs Designing and optimizing PostgreSQL databases Implementing authentication and authorization Integrating payment and transaction workflows Developing the administration dashboard Optimizing application performance Managing deployment and production infrastructure
The project was built with maintainability, scalability, and security as primary objectives.
š Core Features š® Digital Game Top-Up System š³ Secure Payment Processing š¤ User Authentication & Authorization š¦ Product & Package Management š Powerful Admin Dashboard š Real-Time Order Tracking š Instant Order Status Updates š± Fully Responsive Design ā” High-Speed API Communication š Secure Server-Side Validation š Transaction History š”ļø Role-Based Access Control āļø Technology Stack Frontend React TypeScript Vite TanStack Router Tailwind CSS v4 Styled Components Backend Bun Runtime Elysia Framework Prisma ORM PostgreSQL š§± Architecture & Performance
The platform was engineered with modern software engineering practices, including:
Modular project architecture Type-safe development using TypeScript Optimized PostgreSQL database design High-performance Bun runtime Efficient API routing with Elysia Prisma ORM for scalable database operations Reusable component-based frontend Optimized caching and data fetching Secure authentication and authorization Production-ready deployment architecture
Every component was designed to maximize performance while maintaining clean, maintainable code.
š Security
Security was a key priority throughout development.
Implemented features include:
Secure authentication Password encryption Protected API endpoints Server-side validation Role-based permissions Input sanitization Database query protection through Prisma ORM Secure transaction processing š Performance Focus
The application emphasizes:
Fast page loading Optimized rendering Low-latency API responses Efficient database queries Reduced bundle size with Vite Modern Bun runtime performance Responsive UI across desktop and mobile devices šÆ Project Outcome š Successfully developed a complete full-stack gaming top-up platform ā” Built using a modern, high-performance technology stack š Implemented secure authentication and transaction workflows š± Delivered a responsive and user-friendly experience š Created a scalable architecture capable of supporting future growth š Vision
ZVY TOPUP was created to provide gamers with a fast, secure, and reliable digital marketplace for purchasing gaming products while maintaining enterprise-level performance, scalability, and security through modern web technologies.
Built with React, TypeScript, Bun, Elysia, Prisma ORM, PostgreSQL, and modern web technologies.