💸 Payment Transfer App

A full-stack MERN app for transferring money between users with real-time balance updates, user search, and transaction history.

✅ Built with React + Tailwind (frontend) and Node.js + Express + MongoDB (backend)

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✨ Features

• 🔐 JWT-based authentication (sign up, sign in, logout)
• 💰 Real-time balance fetch
• 📤 Send money between users with validation
• 🔍 Search users by name
• 📜 Transaction history log
• 🔄 Protected routes using middleware

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🚀 Tech Stack

Frontend

• React (Vite)
• TailwindCSS
• Axios + React Router

Backend

• Express.js
• Mongoose
• MongoDB
• Bcrypt + JWT
• Zod for validation

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🛠 Run Locally

1. Clone the repo

git clone https://github.com/your-username/payment-app.git
cd payment-app

2. Setup backend

cd backend
npm install
# Add your Mongo URI & JWT_SECRET in config.js
node index.js

3. Setup frontend

cd frontend
npm install
npm run dev

🧠 Learnings

My first full-stack React + Node.js project!

• Understood the MERN stack end to end
• Created RESTful APIs with Zod validation & middleware auth
• Implemented real-time UI updates using Axios
• Designed responsive, reusable components in React + Tailwind
• Learned JWT token handling for login state

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📢 Author

Om Shimpi

Let’s connect and build cool stuff together:
🔗 LinkedIn | 💼 Open to SDE Internships & Freelance Projects