Built end-to-end AI medical chatbot using Retrieval-Augmented Generation (RAG); ingested medical documents into Pinecone vector DB for semantic search-powered Q&A via GPT-4. Full CI/CD pipeline: GitHub Actions Docker image build AWS ECR EC2 deployment with zero-downtime releases.

Intelligent resume parsing system extracting structured data (skills, experience, education, contacts) from PDF/DOCX resumes using LLM-based NER and GPT-4 prompts. Achieved 92%+ extraction accuracy; REST API consumed by React.js HR dashboard with bulk upload, skills gap analysis, and ATS candidate ranking.

Loyalty and payments platform for BP serving millions of users; personalized offers, digital fuel payments, and real-time reward tracking across multiple geographies. Implemented scalable API integrations with payment systems and loyalty platforms, improving transaction speed by 30%.

End-to-end ML pipeline for product quality prediction; trained regression model with feature engineering, deployed as Flask REST API on AWS.

Built Cashify-like web application that predicts resale price of used mobile phones based on device specifications using a trained neural network model. End-to-end pipeline from data ingestion to model training (regression), REST API serving, and React.js frontend for user interaction.

Built agent desktop for the world's largest insurance exchange (Bolttech Malaysia) connecting providers, distributors, and customers across APAC. Developed GraphQL APIs and React.js front-end for real-time policy management; reduced data over-fetching by 40%.

Built Shopify–Google/Facebook integration app enabling full product, order, inventory, and location sync across platforms. Developed Node.js APIs and full-stack Shopify apps; managed end-to-end SDLC including reporting, troubleshooting, and live project management.

Developed full-stack savings and expense tracker with visual analytics (charts/graphs) showing expenses vs. savings over time. Deployed on AWS with serverless architecture; real-time data sync via GraphQL subscriptions.

Built hyperlocal service booking platform connecting users with nearby helpers (plumbers, electricians, etc.) using location-based filtering. Implemented Firebase mobile number OTP login, React hooks/polling for real-time notifications, and Google Maps APIs for geo-based service discovery.

Built Etsy–Shopify integration enabling sellers to manage listings, sync orders, and automate inventory updates between both platforms.

Built full-featured real estate platform with admin panel for property/category/location management, analytics dashboard, and advanced property search & filter.

Developed Catch.com.au (Australia) marketplace integration; extended one-click product import feature from BestBuy Canada architecture to Catch platform.

Launched integration app with 5,000+ active users; real-time product, order, and inventory sync between Shopify and BestBuy CA marketplace.

Developed Walmart Canada marketplace integration enabling sellers to sync Shopify catalogue, manage orders, and update inventory in real time.

Built OnBuy UK marketplace integration app; handled product listing, order management, and inventory sync between Shopify and OnBuy platform.