Experience

Sole backend architect for rext.ai. The role ends on Sep 30, 2026.

• A keyword is checked for difficulty, search volume, backlinks, and intent, then turned into title options.
• After the user selects a title and approves the outline, OpenAI writes the SEO article.
• Semantic search uses Nomic embeddings in PostgreSQL. LangChain and LangGraph run the steps.
• One click publishes the article to WordPress or Shopify.

Lead architect for the platform where an AI agent runs a Shopify store end to end.

• Set a coordinator and seven subagents, each with isolated tools, error boundaries, and retries.
• Covered product listings, orders, refunds, inventory, and draft orders across 40+ Shopify integrations.
• Shipped multi-tenant isolation on WhatsApp, web chat, and a REST API.

Production retrieval, live inference, and a vision model.

• Designed RAG with multi-query expansion, query decomposition, fusion, and reranking.
• Shipped a live inference service on FastAPI and React, with sub-second responses.
• Built acne segmentation with YOLO, a React capture screen, and FastAPI.