Full-Stack Engineer (AI Focus) Threekit
Delivered enterprise-grade full-stack applications for customer-facing and internal workflows using React, Next.js, TypeScript, Node.js, FastAPI, OpenAI API, and LLMs. Optimized web application performance, reducing page load time from 4.5 seconds to 2 seconds and increasing Lighthouse Performance scores from 68 to 92. Improved frontend responsiveness by 40% for applications serving thousands of daily users.
Built scalable backend services with Node.js, FastAPI, PostgreSQL, and REST APIs, reducing average API response time from 900ms to 400ms. Developed a RAG-powered document intelligence platform using LangChain, Pinecone, OpenAI API, FastAPI, and PostgreSQL that processed more than 50,000 documents monthly and reduced review effort by 70%. Automated workflows and reporting with Python, implemented AWS, Docker, Kubernetes, and GitHub Actions CI/CD, maintained 99.9% uptime, and implemented JWT, OAuth 2.0, RBAC, WebSockets, event-driven architecture, and streaming APIs.