🧾 Payroll ERP System

A scalable and modular enterprise-grade Payroll Management System designed for managing employees, attendance, leaves, holidays, salaries, and shift logs. Built with a modern stack, this platform supports dynamic user roles and a flexible plugin-style architecture for extensibility.

⚙️ Features

• 🧑‍💼 Role-based Access: Super Admin, HR, and Employee roles with scoped permissions.
• 🧾 Payroll Automation: Configurable salary, tax, and deduction logic.
• ⏱️ Time Tracking: Clock-in/out with shift handling and holiday exceptions.
• 📆 Leave Management: Applied, approved, and tracked by role
• 🎉 Holiday Calendar: Admin-controlled list synced with working hours.
• 📊 Analytics & Reports: Downloadable summaries for payroll, leaves, and attendance.
• 🧩 Modular Architecture: Loosely coupled components with pluggable modules.

🧱 Tech Stack

Layer	Technology
Frontend	React 19 + Tailwind CSS + TypeScript
Backend	Node.js / Express or Spring Boot (based on module)
State Management	Zustand / Redux Toolkit
Database	PostgreSQL / MongoDB (configurable)
Auth & RBAC	JWT / OAuth + Role Guards
Deployment	Vercel / Docker + EC2

📐 System Design

Modular folder structure, abstracted service layers, and isolated business logic

src/
├── components/       # Shared UI components
├── modules/          # Feature-based modules (Payroll, Leave, Holidays, etc.)
│   └── payroll/
│       ├── api/
│       ├── pages/
│       ├── hooks/
│       └── utils/
├── store/            # Zustand/Redux slices
├── styles/           # Tailwind + CSS variables
└── types/            # Global TypeScript interfaces

🚀 Getting Started

1. Clone the Repository

git clone https://github.com/yourusername/payroll-erp.git
cd payroll-erp

2. Install Dependencies

pnpm install

3. Set Environment Variables

Create a .env file with the following:

DATABASE_URL=postgres://username:password@localhost:5432/payroll_db
JWT_SECRET=your_jwt_secret
NEXT_PUBLIC_BASE_URL=http://localhost:3000

4. Run Locally

pnpm dev

5. Build

pnpm build && pnpm start

🛡 Roles & Access Control

Role	Access Level
Super Admin	Full access to all modules
HR	Manage employees, leaves, payroll
Employee	View payslip, apply leaves, log time

🗃 Planned Modules

• ✅ Payroll Core
• ✅ Leave & Holiday System
• ✅ Time & Attendance
• 🔲 Loan/Advance Request Module
• 🔲 Performance Review Module
• 🔲 Role Customizer

🧠 Contribution

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

📄 License

MIT © 2025 8BIT

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