E-Commerce Platform

A comprehensive e-commerce solution built with modern technologies, featuring real-time inventory management, secure payment processing, and a powerful admin dashboard.

Key Features

Real-time Inventory Management: Track stock levels across multiple warehouses with instant updates
Payment Processing: Integrated with Stripe for secure, PCI-compliant payment handling
Admin Dashboard: Comprehensive analytics and management interface
Product Catalog: Advanced search, filtering, and categorization
Order Management: Complete order lifecycle from cart to delivery
User Authentication: Secure JWT-based authentication with role management

Technical Highlights

Built with a focus on performance and scalability:

Frontend: React with TypeScript for type-safe component development
Backend: Node.js with Express, utilizing async/await patterns for efficient request handling
Database: PostgreSQL with optimized queries and indexing strategies
Caching: Redis for session management and frequently accessed data
Payment: Stripe integration with webhook handling for payment events
Deployment: Docker containers orchestrated with Kubernetes

Challenges & Solutions

Challenge: Real-time Inventory Sync

Implemented WebSocket connections for live inventory updates across all connected clients, preventing overselling and ensuring accurate stock levels.

Challenge: Payment Processing Reliability

Built a robust webhook system with retry logic and idempotency keys to handle payment confirmations reliably, even during network issues.

Results

Processed over $500K in transactions in the first 6 months
99.9% uptime with automated health checks and failover
Average page load time under 1.2 seconds
Successfully scaled to handle 10K+ concurrent users

Technologies Used

Frontend: React, TypeScript, Redux, TailwindCSS
Backend: Node.js, Express, TypeScript
Database: PostgreSQL, Redis
Payment: Stripe API
Infrastructure: Docker, Kubernetes, AWS
Testing: Jest, React Testing Library, Cypress