• Architecture & Self-Hosted AppsWix App Development: Build Self-Hosted Solutions: Design and deploy fully self-hosted applications (beyond standard Wix CLI apps), managing the necessary infrastructure (hosting, networking, security, and external databases). • Backend Development: Develop robust, scalable backend services in Node.js / TypeScript (REST endpoints, custom authentication, input validation, and structured logging). • Data Strategy: Design clean data models and persistence layers, managing integrations between Wix Data, external SQL/NoSQL databases (Supabase/Firebase/Postgres), and caching strategies. • Wix Ecosystem & Integrations Wix App Development: Build and maintain Wix apps using the Wix CLI, creating seamless dashboard extensions, admin UIs, and backend. Deep Integrations: Utilize the Wix SDK and Platform APIs to interact with Wix Stores, Orders, Collections, and eCommerce domain objects. services. Feature Implementation: Build complex logic such as: Configurable settings panels and custom admin dashboards. "Additional Fees" logic and complex product-based rules. File upload and attachment flows. Service plugins and validation flows (e.g., shipping address verification).