I need a Shopify e-commerce website to sell physical goods. I also need a payment gateway API integrated. Requirements: - Build a user-friendly, visually appealing Shopify e-commerce site - Integrate payment gateway API - Ensure site is mobile-responsive and SEO-optimized - Set up product categories, pages, and payment processing Ideal Skills: - Proven experience with Shopify - Strong knowledge of payment gateway integrations - Familiarity with SEO and mobile-responsive design - Attention to detail and design aesthetics Please include examples of previous Shopify projects in your bid.