Java-SaaS-POS-System

✨ Features

POS Pro System combines powerful backend architecture with a delightful UI to streamline store operations.

• 🧾 POS Billing Terminal – Fast cart creation, product search, discounts, & bill generation
• 📦 Real-Time Inventory Management – Auto-updates stock on every sale
• 👤 Customer Management – Add customers, track order history, loyalty support
• 💰 Sales, Refunds & Shift Summary – End-of-day reports for accountability
• 🧮 Store Analytics Dashboard – Sales graphs, revenue insights, business trends
• 🏪 Multi-Store Support – Admin can create/manage multiple stores
• 🔐 Secure Login with JWT – Role-based authentication & Spring Security
• 🎨 Modern UI/UX – Glassmorphism, animations, dynamic background, dark theme support
• 💳 Payment Gateway Ready – Razorpay & Stripe integration support
• 📱 Fully Responsive – Designed for desktops, tablets, and POS terminals
• ⚡ Fast & Scalable – Spring Boot + React + MySQL ensures high performance

🛠️ Tech Stack

This project uses a powerful modern stack to deliver a production-grade POS solution.

Frontend

• React (Vite)
• Redux Toolkit
• Tailwind CSS + ShadCN
• Formik & Yup
• React Router
• Custom Animation Engine (Blobs, parallax)

Backend

• Spring Boot
• Spring Data JPA
• Spring Security + JWT
• Hibernate
• Razorpay / Stripe Integration

Database

• MySQL

Tools

• Maven
• Git & GitHub
• VS Code / IntelliJ
• Postman

📌 Prerequisites

Before running the project:

• Node.js 18+
• npm or pnpm
• Java 17
• MySQL Server installed and running

🚀 Installation & Setup

1. Clone the repository

git clone https://github.com/Paul-110/Java-SaaS-POS-System.git
cd Java-SaaS-POS-System

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⚛️ Frontend Setup (React + Vite)

2. Install dependencies

npm install

3. Start development server

npm run dev

The app will start at:

http://localhost:5173

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🖥️ Backend Setup (Spring Boot)

4. Configure MySQL

Update your application.properties:

spring.datasource.url=jdbc:mysql://localhost:3306/pospro
spring.datasource.username=root
spring.datasource.password=yourpassword
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true
jwt.secret=your_jwt_secret

5. Run the backend

mvn spring-boot:run

Backend starts at:

http://localhost:8080

🎨 Theme Customization

All theme colors, card styling, glassmorphism, & background animations are defined in:

/src/index.css

Modify values like:

--accent: #1de9b6;
--glass-fill: rgba(15,30,26,0.28);
--background: #061412;

hr />

🔧 System Modules

Your POS Pro System consists of the following modules:

• Authentication & Security (Spring Security + JWT)
• POS Billing Module
• Order & Refund Management
• Customer Module
• Product & Inventory Module
• Multi-Store Admin Module
• Analytics / Dashboard Module
• Payment Module
• Super Admin & Subscription Plans

🧩 Architecture Overview

Frontend (React + Redux)
       ↓
REST API Layer (Spring Boot)
       ↓
Business Services (Orders, Inventory, Customers)
       ↓
Database (MySQL)
       ↓
Analytics Engine + Reports

📊 Screenshots

🚀 Deployment

Vercel (Frontend)

Just connect your GitHub repo → Vercel auto-detects Vite.

Render / Railway (Backend)

Spring Boot JAR deploy ready.

MySQL Cloud Options

• PlanetScale
• AWS RDS
• NeonDB

🤝 Contributing

Contributions & feature requests are welcome! Submit issues or forks through the GitHub repository.

📧 Contact

Ekky Spurgeon 📩 Email: spurgeonpaul11@outlook.com

📄 License

This project is licensed under the MIT License — see the LICENSE file for details.