Designed and developed a SaaS-style eCommerce platform that enables users to create and customize independent online storefronts with product catalogs, branding, customer management, and order processing workflows. Implemented multi-tenant architecture with role-based access control (RBAC), store onboarding, team management, subscription-based plans, admin dashboard, and platform-level management features. Built complete eCommerce workflows including inventory-ready product management, order lifecycle, payment integration, coupon system, analytics dashboard, customer accounts, reviews, and AI-powered chatbot assistance.