Architecture: Headless Commerce (Hydrogen/React), Shopify Plus, System Design.
Integrations: Enterprise ERP/CRM middleware (NetSuite, Salesforce, Sage), GraphQL,
REST.
Performance & Compliance: Core Web Vitals, WCAG 2.1 Accessibility, Technical SEO.
E-commerce Ecosystems: Shopify, BigCommerce, WooCommerce, Magento.