I need a website connected to Bank API for merchant processing

Seeking an experienced developer to integrate a bank payment API into an existing Wix website to enable secure merchant e-commerce processing. Tasks include configuring API authentication, implementing payment flows, handling transaction statuses, ensuring PCI-compliant data handling, and testing end-to-end checkout functionality. Familiarity with Wix platform constraints, webhooks, error handling, and clear documentation for deployment and maintenance required. Timely delivery and reliable support during rollout appreciated.