Design, develop, and maintain integrations with marketplaces (Amazon, eBay, Shopify, etc.) Build scalable solutions for order management, catalog synchronization, shipping, and fulfillment Provide input in architectural and technical decisions as part of an agile team Develop Shopify apps and services using Rust Ensure high-quality code through automated testing, observability, and best engineering practices Mentor junior engineers and share knowledge of marketplace APIs Stay ahead of new marketplace features, API updates, and industry best practices