Projects using MongoDB in SindhProjects using MongoDB in SindhReal-Money Gaming Platform — Backend at Scale
Engineered the complete backend microservices architecture for Pryze, a real-money competitive gaming platform with live leaderboards, real-time gameplay, and multi-provider payment processing.
THE CHALLENGE
Build a backend that handles thousands of concurrent players, real-time match updates, secure payment flows, and live leaderboard scoring — all with near-zero downtime.
WHAT I BUILT
Microservices architecture on Node.js handling 15K+ daily requests
Real-time leaderboard system processing 30K+ score updates daily via RabbitMQ + Redis Pub/Sub
Redis caching + MongoDB query optimization — 45% faster data retrieval (280ms → 154ms)
Payment integrations: EasyPaisa, SimPaisa, PayFast with webhook handling and retry logic
WebSocket-based messaging for 10K+ concurrent users
AWS infrastructure: EC2, S3, X-Ray, CloudWatch
Comprehensive Swagger API docs — cut third-party integration time by 50%
RESULTS
→ 15K+ daily active users supported at 99.9% uptime
→ 45% faster data retrieval after caching optimization
→ 35% increase in daily user engagement
→ 30K+ real-time leaderboard updates processed daily
