H&K Knowledge Management System

Full-Stack Developer & System Architect

January 2024
KMS preview

Live System

Enterprise-grade knowledge management platform with JWT authentication and role-based access control.

Explore Live SystemView Source Code

Project Overview

Developed for H&K Corporation, this enterprise system enables efficient management of users, projects, tasks, and announcements through a secure, role-based interface built with modern web technologies.

Architecture

MERN Stack (MongoDB, Express, React, Node.js)

Security

JWT Authentication with Refresh Tokens

Deployment

Vercel + MongoDB Atlas

Core Functionality

👨💼

Role-Based Access Control

Hierarchical user roles with granular permissions

🔒

JWT Authentication

20-min access tokens with auto-refresh capability

🛠️

CRUD Operations

Full management of users, projects, tasks, and announcements

🔄

Real-time Updates

Instant data synchronization using Axios and Redux

Technical Stack

React 18
Node.js 20
Express.js
MongoDB
JWT
Redux Toolkit
Tailwind CSS
Vercel

My Contributions

Full-Stack Development

  • Designed MongoDB schema for 12+ entities
  • Implemented JWT authentication flow
  • Developed CRUD API endpoints with Express
  • Created dynamic React components
  • Configured Redux state management

Security Focus

  • Dual-token authentication system
  • Role-based access control
  • CORS configuration
  • Environment variable management
  • Secure API endpoints

Key Achievements

Technical Wins

  • 100% API endpoint test coverage
  • 20% faster token refresh mechanism
  • Zero security vulnerabilities in audit

Key Learnings

  • Token rotation best practices
  • MVC architecture implementation
  • Enterprise-grade security patterns