🏦 Banking Application

A secure and fully-featured full-stack banking solution built with Spring Boot (backend) and React + Tailwind CSS (frontend), designed for a smooth and reliable digital banking experience.

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✨ Key Features

🛡️ Backend (Spring Boot)

• Role-based Access Control — Supports USER and ADMIN roles with Spring Security
• Secure Authentication — Signup, login with JWT-based security
• Session Management — Tokens securely handled via sessionStorage
• Account Services — Create, view, and manage multiple account types
• Transaction Management — Fund transfers with balance validation, transaction recording, and rollback on failure
• User Profile Management — View and update personal profile details
• Admin Features — View all customers, accounts, and transactions
• Exception Handling — Centralized error handling with meaningful HTTP responses
• Database Integration — PostgreSQL with JPA for efficient persistence

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🎨 Frontend (React + Tailwind CSS)

• Responsive Design — Optimized for desktop, tablet, and mobile
• Authentication Flow — Login, signup, and logout integrated with backend JWT
• Customer Dashboard — Account details, balances, and recent transactions at a glance
• Funds Transfer UI — Simple and secure interface for sending money
• Transaction History — Searchable and filterable transaction list
• Profile Section — View and update user details
• Admin Dashboard — Manage users, accounts, and transactions
• Routing — Smooth navigation with React Router
• API Integration — Axios for efficient data fetching and error handling

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🛠️ Technology Stack

Backend

• Spring Boot — Application framework
• Spring Security — Authentication & authorization
• PostgreSQL — Relational database
• JPA (Hibernate) — ORM for database interaction
• Lombok — Boilerplate code reduction

Frontend

• React.js — UI library
• Vite — Build tooling & optimization
• Tailwind CSS — Utility-first styling
• React Router — Client-side routing
• Axios — HTTP requests

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📋 Current Implementation

• ✅ Role-based authentication (USER / ADMIN)
• ✅ Account creation and management
• ✅ Fund transfers with validation
• ✅ Transaction logging and history retrieval
• ✅ Profile viewing and updating
• ✅ Admin access to customers, accounts, and transactions

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🚀 Future Enhancements

• 📊 Advanced analytics dashboard
• 📩 Real-time notifications (WebSocket)
• 🔑 Multi-factor authentication
• 💱 Multi-currency support
• 📱 Progressive Web App (PWA) support

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Developed by: Arun Kargatia