Full-Stack Shopify App Developer (Remix / Node.js / React / Redis) — COD SaaS Project

We are looking for an experienced Full-Stack Developer to build a complete SaaS Shopify Application from scratch. The app focuses on optimizing the Cash-on-Delivery (COD) checkout experience for emerging markets. The project includes a lightweight storefront checkout widget, an instant OTP verification engine, a risk-scoring system, and a feature-rich merchant admin dashboard.