Summary

A real-time communication product with serverless backend, payment integrations, and automated moderation.

Architecture

• •React + Framework7 client -> API and websocket services
• •Node.js/Golang backend + Redis + PostgreSQL
• •AWS Lambda + monitoring + external media services

Challenge

• •Handle bursts of concurrent users without manual scaling
• •Protect billing logic from duplicate and fraudulent operations
• •Moderate content streams in near real time

Implementation

• •Implemented serverless services on AWS Lambda and Firebase Functions
• •Built matching logic using geo, preferences, and trust metrics
• •Integrated Stripe for subscriptions and one-time purchases with idempotency
• •Added video moderation pipeline via AWS Rekognition