Senior Back-End Engineer, Shopify Apps & Extensions

We're looking for a Senior Back-End Engineer, Shopify Apps & Extensions to join our remote team. You’ll be responsible for building custom apps, backend services, and extensions to enhance Shopify functionality. You’ll work closely with front-end developers and product stakeholders to create scalable, secure, and high-performance solutions within the Shopify ecosystem. You’ll design and develop custom Shopify apps, build backend services and APIs using Node.js, Remix, and Next.js, create Shopify Functions and custom checkout logic. You'll also implement database schemas and data persistence using MongoDB or Supabase and integrate with third-party tools and APIs via the Shopify Admin and Storefront APIs.