TransactionSecure Fraud Detection Platform

🚀 A modern web application built with Spring Boot (Java) and React that provides real-time fraud detection for financial transactions. The platform features secure user authentication, transaction management, fraud alerting, and a responsive, interactive dashboard UI.

Features

✔️ User authentication (signup, login, logout) ✔️ JWT-secured REST API ✔️ Transaction creation and browsing ✔️ Fraud detection and alerting ✔️ Real-time dashboard with React UI ✔️ Responsive design for all devices ✔️ Secure session and data management

Core Features

1️⃣ User Authentication

• Secure signup and login functionality (JWT-based)
• Session management for logged-in users
• Protected routes in the UI

2️⃣ Transaction & Fraud Management

• Submit new transactions
• Browse all transactions
• Fraud detection with alerting (backend logic)
• View fraud alerts in the dashboard

3️⃣ User Experience

• Responsive React-based dashboard
• Intuitive navigation with tabs
• Dynamic UI based on authentication status
• Modern Material UI styling

Installation & Running Locally

Prerequisites

• Java 17+
• Node.js 18+ (recommended)
• npm (comes with Node.js)
• Git installed

Clone the Repository and Run the Application

git clone https://github.com/yourusername/transactsecure-fraud-detection.git
cd transactsecure-fraud-detection

# Start the backend (Spring Boot)
./gradlew bootRun

# In a separate terminal, start the React UI
cd ui
npm install
npm install @mui/material @mui/icons-material @emotion/react @emotion/styled jspdf jspdf-autotable
npm start

• The backend will run on http://localhost:8080
• The React UI will run on http://localhost:3000 (proxying API requests to the backend)

Project Structure

transactsecure-fraud-detection/
├── src/
│   ├── main/
│   │   ├── java/
│   │   │   └── com/
│   │   │       └── soumen/
│   │   │           └── transactsecure/
│   │   │               ├── controller/
│   │   │               ├── model/
│   │   │               ├── repository/
│   │   │               ├── service/
│   │   │               ├── security/
│   │   │               ├── config/
│   │   │               └── FraudDetectionApplication.java
│   │   └── resources/
│   │       ├── application.properties
│   │       └── db/
│   └── test/
├── ui/ (React frontend)
│   ├── public/
│   ├── src/
│   │   ├── pages/
│   │   ├── components/
│   │   ├── App.js
│   │   └── ...
│   ├── package.json
│   └── ...
├── build.gradle
├── settings.gradle
└── README.md

Technologies Used

• Backend: Spring Boot, Spring Security, Spring Data JPA, Kafka (for event streaming)
• Frontend: React, Material UI, Axios
• Database: YugabyteDB (or any compatible SQL DB)
• Build Tool: Gradle

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT

Contact

Name - Soumen Manna

Email - [email protected]

Project Link: https://github.com/soumenprogramming/transactsecure-fraud-detection