Senior Full Stack Developer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Developer based in Canada. Join a technology-driven team building innovative Shopify applications used by thousands of e-commerce merchants worldwide. As a Senior Full Stack Developer, you will design, develop, and scale high-performance applications, plugins, and integrations that help online businesses operate more efficiently. You will work across the entire development lifecycle, combining modern frontend technologies with robust backend architectures and seamless third-party integrations. Collaborating closely with product, design, and QA teams, you will transform ideas into reliable, accessible, and scalable software solutions. Beyond hands-on development, you will contribute to architectural decisions, mentor fellow developers, and help shape the technical roadmap. This fully remote opportunity offers significant ownership, modern development tools, and a collaborative environment where engineering excellence and measurable impact are valued.