• Lead the architecture and development of revenue-critical Shopify applications, checkout extensions, and post-purchase systems. • Build and scale an in-house revenue tool. • Design and implement robust backend integrations that safely interact with order management, subscription, and fulfillment systems. • Develop shared platform capabilities including internal authentication systems, event tracking frameworks, background jobs, and developer tooling. • Productionize analytics models, optimization logic, and decision engines into user-facing software. • Own projects end-to-end, from ideation and architecture to deployment, monitoring, and iteration. • Partner cross-functionally with Product, Data, Growth, and Operations to ensure systems align with revenue and experimentation goals. • Maintain high standards for performance, reliability, scalability, and developer experience.