“Owned and built the entire React + TanStack Query frontend from scratch, including an NLP-assisted node graph that translated plain-English conditions into SQL-like logic and AI-suggested source/destination/enrichment mappings, while integrating 50+ FastAPI services and reducing client-side errors by ~60%.”

“Led Backbone/jQuery to React + TypeScript modernization, shipped a security-driven Highcharts v4 to v6 migration, and improved dashboard responsiveness by ~30%.”

“Handled 1,000+ concurrent events with idempotent, retry-safe processing and reduced operational overhead by 72%.”

“Architected multi-provider AI coaching platform with real-time SSE streaming, achieving 50-60% TTFT improvement (3-4s → 1-2s) and 90% prompt cache hit rate through 5 layered optimizations.”

“Architected a modular Next.js 16 + React 19 PWA with near-real-time sync, KDS orchestration, and CI quality gates across UI, domain, and E2E layers.”

“Reduced manual transcription by ~90% with AWS Textract and achieved ~85% accuracy via human-in-the-loop review.”