Back to Portfolio

SendBox Chat

SendBox is a cutting-edge real-time chat application designed for modern communication needs. Built with performance and user experience in mind, it offers instant messaging, file sharing, and group chat capabilities.

Web AppReal-timeChatModern UI

Screenshots

No preview available

Technologies Used

  • Next.js for frontend framework
  • WebSocket for real-time communication
  • Node.js for backend server
  • MongoDB for message storage
  • Redis for caching and session management
  • Socket.io for bidirectional communication

Key Features

  • Real-time messaging with instant delivery
  • File and media sharing
  • Group chat functionality
  • Message encryption
  • Typing indicators
  • Online/offline status
  • Message search and history

Challenges

  • Real-time message synchronization
  • Scalability for large user base
  • Message delivery guarantees

Solutions

  • Implemented WebSocket connections with fallback
  • Used Redis for horizontal scaling
  • Built message queue system for reliability

Results & Impact

99.9% uptime
Instant message delivery
Supporting 5,000+ concurrent users