I built qresentcards.com (http://qresentcards.com), a

I built qresentcards.com, a QR-code–based digital gift card platform that enables customers to purchase, send, and redeem gift cards through a smooth, mobile-friendly experience.

The solution is built on Shopify for secure checkout, order management, and storefront operations, with Cloudflare Workers powering the custom business logic needed for QR code generation, validation, and redemption flows.

I handled the end-to-end implementation: Shopify configuration and theme integration, Worker APIs, data flow between storefront and backend logic, and the full user journey from purchase to delivery and redemption.