HRM System - Teamify

Project Overview

Robust enterprise-grade Human Resource Management system with real-time features, advanced security, and comprehensive HR modules used by 95% of company staff.

Technical Implementation

Built using 5-layer architecture (Routes, Controllers, Services, Repos, Models) for clean separation of concerns. Implemented JWT with refresh tokens and dynamic RBAC supporting both role-based and user-specific permissions. Real-time notifications using Socket.IO with Redis for pub/sub across multiple server instances.

Key Features

• 5-layer architecture: Routes, Controllers, Services, Repos, Models
• JWT authentication with dynamic RBAC (role and user-specific permissions)
• Real-time notifications via Socket.IO with multi-device support
• AES-256-GCM encryption for sensitive employee data
• Sequelize transactions for data integrity
• Advanced modules: Attendance, Leave, Logtime, Payroll, KPI Performance
• Cron jobs for automation (token cleanup, reminders, Google Calendar sync)
• Multer for secure file uploads, rate limiting for API protection

Impact & Results

Used by 95% of company staff for daily HR operations, significantly improving efficiency and data security.