Experience

Software Engineer

Freelance

Feb 2025 — Present
  • Replaced legacy manual workflows with a centralized ERP supporting 20+ concurrent sales reps.
  • Implemented pessimistic locking on PostgreSQL to eliminate race conditions on shared inventory during peak reservations.
  • Built a B2C e-commerce platform with automated reservation expiration cron jobs.
  • Engineered a high-availability full-stack platform processing 15,000+ daily requests across sales, inventory, and checkout flows.
  • Designed a multi-agent RAG chatbot (retrieval & generation) to deliver real-time, context-aware product recommendations.
  • Built an internal order fulfillment ERP with custom sales analytics and rigorous E2E/unit testing (Vitest, Playwright, Pytest).