TapNPay - An E-Wallet Payment Solution

TapNPay is a fully responsive e-wallet application that allows users to securely send and receive money. Built with a modern tech stack, combining React.js and Tailwind CSS for the frontend, Node.js, Express.js, and MongoDB for the backend, with Zod for robust input validation. The application ensures secure and atomic payment transactions using MongoDB's native transaction capabilities.

Technical Description 📃

• Responsive UI: The frontend is built with React.js and designed to be fully responsive using Tailwind CSS for a modern, mobile-friendly experience.

• State Management: Utilizes React's Context API for efficient and scalable state management across the application.

• API Endpoints: Built RESTful API endpoints with Express.js following MVC architecture for clean code organization.

• Database: Designed and integrated MongoDB database schema using Mongoose ODM for efficient data modeling and relationships.

• Atomic Transactions: All money transfers are performed using MongoDB's native transaction feature to ensure atomicity and consistency of wallet balances.

• Pagination: Implemented efficient pagination for user lists and transaction history, both on the backend (API) and frontend (UI), to handle large datasets smoothly.

• Authentication: Implemented secure user authentication using JWT and bcrypt.js for password hashing.

• Navigation: Utilized React Router v6 for client-side routing with dynamic routes for seamless navigation.

Key Features

• User Registration and Login: Secure signup and login with JWT-based authentication.
• Profile Management: View and update user profile information.
• Wallet Management: Check wallet balance at any time.
• User Search: Browse a paginated list of users and search to find recipients for money transfers.
• Send Money: Transfer funds to other users with a short note, using atomic transactions.
• Transaction History: View a paginated list of all transactions and detailed transaction info.

Contact

👾 Bhaskar Jha (✉️ [email protected])