/backend · PRODUCTION SYSTEMS

I build the unglamorous systems that make products actually work.

RBAC with sub-ms access checks, idempotent single-writer services, 8-phase feature-flagged migrations, real-time Socket.IO + SSE.

See backend workContact
sub-ms
access checks via MongoDB sparse indexes
idempotent
single-writer assignment service
8-phase
feature-flagged zero-downtime migration
real-time
Socket.IO + SSE streaming UX
BACKEND PROJECTS

Systems I've built

Recent writing

LLMBuilding a multi-provider fallback chain that actually fails over8 minRAGRAG across 40+ languages: what broke and what fixed it11 minCostCutting LLM spend ~95% with 24h prompt caching6 min