Employee Leave Management System

A full-stack Employee Leave Management System built with Node.js, Express.js, JavaScript, HTML, CSS, and SQLite. The application streamlines leave requests with role-based authentication, manager approval workflows, leave balance validation, real-time dashboard analytics, and REST APIs.

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🚀 Live Demo

Frontend: https://leaveflow-hr-ten.vercel.app

Backend API: https://leaveflow-hr-hvfh.onrender.com

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✨ Features

• 🔐 Role-based authentication (Admin, Manager, Employee)
• 📝 Submit leave requests with balance validation
• ✅ Manager approval and rejection workflow
• 📊 Dashboard with live leave statistics
• 📈 Interactive charts for leave analytics
• 👥 Employee management with seeded sample data
• 📅 Leave history and request tracking
• ⚡ REST API powered backend
• 💾 SQLite database integration
• 📱 Responsive user interface

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📸 Screenshots

Login Page

Dashboard

Leave Approval

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👥 Demo Credentials

Role	Email	Password
Admin	admin@leaveflow.test	admin123
Manager	manager@leaveflow.test	manager123
Employee	aarav@leaveflow.test	emp123

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🛠️ Tech Stack

Frontend

• HTML5
• CSS3
• JavaScript (ES6)
• Chart.js

Backend

• Node.js
• Express.js

Database

• SQLite

Tools

• Git & GitHub
• Render
• Vercel

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📂 Project Structure

leaveflow-hr/
│
├── backend/
├── data/
├── public/
├── package.json
└── README.md

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⚙️ Installation

Clone the repository

git clone https://github.com/rakeshkumar0804/leaveflow-hr.git

Navigate to project

cd leaveflow-hr

Install dependencies

npm install

Start the application

npm start

The application will run on:

http://localhost:3000

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📊 Dashboard Highlights

• Pending Requests
• Approved Requests
• Rejected Requests
• Monthly Leave Statistics
• Leave Balance Tracking
• Approval Analytics

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🔒 Authentication Roles

Admin

• View dashboard
• Apply leave
• Approve or reject requests
• Manage employees

Manager

• Review leave requests
• Approve or reject requests
• Monitor leave analytics

Employee

• Submit leave requests
• View leave balance
• Track request status

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🌟 Future Improvements

• JWT Authentication
• Email Notifications
• File Attachments
• Leave Calendar
• Dark Mode
• Export Reports (PDF/Excel)
• Multi-department Support

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🤝 Contributing

Contributions, issues, and feature requests are welcome.

Feel free to fork this repository and submit a pull request.

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📄 License

This project is licensed under the MIT License.

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👨‍💻 Author

Rakesh Kumar

GitHub: https://github.com/rakeshkumar0804

If you found this project useful, consider giving it a ⭐ on GitHub.