Led backend development for the Capx Super App mainnet launch, architecting core platform APIs in TypeScript/Express with Node.js clustering across trading, governance, airdrop, and affiliate domains.

Managed 50+ PostgreSQL tables, 100+ SQL functions, and 10+ microservices. Architected a Supabase Postgres read replica strategy to offload 80% read traffic.

Deployed Solidity smart contracts including a Uniswap V2 fork with custom fee logic, UUPS upgradeable proxies, EIP-1167 minimal proxy factories, and Governance contracts.

Migrated infrastructure from AWS App Runner to Cloudflare Containers, implementing a 3-tier edge architecture. Reduced hosting costs by 60%.

Built a real-time WebSocket broadcaster serving 11 data channels via AWS API Gateway with Redis caching and HMAC-SHA256 DDoS protection.