Senior Full-Stack Engineer

***Senior Full\-Stack Engineer (E\-commerce Platform)*** -------------------------------------------------------- At **EX Squared LATAM**, we connect top engineering talent across the region with high\-impact digital products. We're currently looking for a **Senior Full\-Stack Engineer** to join a cross\-functional team supporting a **high\-traffic e\-commerce platform** for a U.S.\-based, mission\-driven company. We're looking for a **true full\-stack engineer** with strong frontend and backend experience, who has worked with Shopify as part of a broader, modern web architecture. ### **What You'll Do** * Own and implement **complex frontend features** using **React** (and modern frameworks), with strong emphasis on performance, accessibility, and maintainability. * Build and maintain **backend APIs and services**, supporting frontend functionality and integrations. * Integrate frontend applications with **Shopify Storefront APIs** and internal backend systems. * Work across the stack to deliver **scalable, high\-quality e\-commerce experiences** in a high\-traffic environment. * Collaborate closely with **Product, Design, Frontend, and Backend teams** to ship polished, user\-focus...