WooCommerce Expert for Custom E-Commerce Store, Checkout & Payment Integration

We’re looking for an experienced WooCommerce developer to customize and finalize an existing online store. The work includes: * Customize product and checkout flows based on our requirements * Configure Stripe/PayPal payment processing and resolve checkout edge cases * Add custom product fields using ACF and display them correctly across product/order data * Integrate a third-party REST API to sync order/customer information * Customize WooCommerce hooks/templates where required * Improve mobile responsiveness and fix existing UI issues * Test the complete cart → checkout → payment → order confirmation flow * Optimize basic WooCommerce performance and resolve plugin conflicts The store and core WordPress setup are already in place. We need someone comfortable working beyond page builders and able to handle PHP, WooCommerce hooks, ACF, APIs and payment integrations. Budget: $550 fixed (no negotiation)