# Cartify > Cartify is a modern, full-stack e-commerce web platform engineered with React 19, Vite 8, Node.js 18, Express, MongoDB Atlas, and Razorpay payment gateway integration. It features secure triple-method authentication (Passwords, Google OAuth 2.0, OTP), server-verified payments with HMAC SHA256 validation, real-time live order tracking via Leaflet maps & WebSockets, role-based access control, and an accessible, responsive design. Created and engineered by **Suraj Bhan Pratap Singh**, Full Stack Software Engineer & MERN Specialist. ## Key Information - Website: https://cartify-hub.vercel.app - Backend API: https://cartify-api-gio4.onrender.com - Author: Suraj Bhan Pratap Singh - Author Job Title: Full Stack Software Engineer & MERN Specialist - GitHub Profile: https://github.com/surajrajput15 - Source Code Repository: https://github.com/surajrajput15/CARTIFY-APP - LinkedIn: https://www.linkedin.com/in/suraj-bhan-pratap-singh-891727293/ - Contact: surajdona2005@gmail.com - Customer Support: support@cartify.com ## Main Navigation & Public Resources - [Home Page](https://cartify-hub.vercel.app/): Main product storefront, category filters (Electronics, Clothing, Footwear, Accessories, Furniture, Beauty), search, and promotional campaigns. - [About the Creator & Engineering Architecture](https://cartify-hub.vercel.app/about): Full background on Suraj Bhan Pratap Singh, engineering philosophy, E-E-A-T credentials, technology stack, and architecture decisions. - [Help & FAQs](https://cartify-hub.vercel.app/faq): Frequently asked questions on ordering, shipping timelines (3-5 business days), free shipping, payment security, and order tracking. - [Cart & Checkout](https://cartify-hub.vercel.app/cart): Interactive cart management, coupon codes, and Razorpay checkout flow. - [Wishlist](https://cartify-hub.vercel.app/wishlist): Client-side and authenticated customer wishlist management. ## Technical Capabilities - **Authentication**: JWT token storage in HTTP-only cookies and headers, Google OAuth 2.0 Identity Services, 6-digit OTP verification with rate limiting. - **Payments**: Razorpay checkout with server-side price re-computation and cryptographic HMAC-SHA256 signature verification. - **Portals**: Customer Storefront, Role-protected Admin Control Panel, Warehouse Dispatch Portal, and Delivery Partner Map Interface. - **Compliance & Optimization**: WCAG 2.1 AA accessibility (Axe-core tested), Core Web Vitals optimization, JSON-LD Schema.org graph markup, and responsive mobile-first UI.