State-Scale EdTech Mobile App (10k+ concurrent users)
React Native
Redux
WebSockets
AWS S3
Scaled app for government schools. Slashed audio processing latency from 1200ms to 500ms using real-time WebSockets.
Multi-Tenant Retail SaaS Platform
MERN Stack
MongoDB
Tailwind
Engineered subdomain-based multi-tenant architecture. Reduced stock inconsistencies by 85% via MongoDB atomic operations.