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Full-Stack
Transit Hariechi Import & Export · 2015 – 2018

Real-Time Chat & Messaging Platform

Low-latency, bidirectional chat application with push notifications and DDoS-hardened infrastructure.

The problem

The business needed a secure, high-throughput messaging experience with real-time delivery and reliable media serving.

Impact

Messaging
Low-latency, bidirectional
Security
JWT auth + DDoS protection

Approach

  1. 1

    Built with Flask, Flask-SocketIO, and WebSockets for low-latency bidirectional messaging.

  2. 2

    Used AWS RDS MySQL for storage, Redis for sessions/brokering, and S3 for media serving.

  3. 3

    Added Firebase Cloud Messaging for push notifications and Cloudflare for DDoS protection.

Stack

  • Flask-SocketIO
  • WebSocket
  • AWS RDS
  • Redis
  • S3
  • Firebase
  • Cloudflare