AI & Backend Engineer at Cognio Labs (2025-07 – Present)
Sole backend and AI engineer, owning backend architecture, development, and deployment for Druidix and Storyform.
- Built a PostgreSQL-backed job queue using SKIP LOCKED, heartbeat-based recovery, and idempotency keys to coordinate concurrent workers and deduplicate job submission.
- Cut failed background job outcomes by 30% (vs. pre-guardrail baseline) with a verify-and-retry pipeline and a middleware layer enforcing rate limits and resource budgets.
- Improved search relevance by 27% (offline eval, hybrid BM25 + vector search vs. dense-only baseline) fused via Reciprocal Rank Fusion on Qdrant.
- Implemented latency and error monitoring with Prometheus and Grafana, and streamed task updates to clients using server-sent events.
- Built a distributed task-execution service coordinating concurrent workers per tenant under a central supervisor process.
- Built Express/TypeScript and FastAPI backend services supporting a React frontend; deployed on GCP Cloud Run using Terraform and GitHub Actions.
- Built a 3D mesh generation pipeline with an automated geometry validation layer, passing 97.7% of 500+ tested outputs against manufacturability checks.
- Owned backend services on Node.js, Prisma, PostgreSQL, and Redis, implementing encryption, access control, and tenant isolation, plus Stripe payments and OAuth/JWT auth.
Software Development Intern at HashedBit Innovations (2024-06 – 2024-09)
- Cut average API response time by 36% (500ms → 320ms) by redesigning CRUD APIs in Node.js/Express and optimizing SQL queries and database indexes.
- Reduced page load time by 28% for 1,000+ users by rebuilding responsive UI components in React.js.
