Hi,
I'm an expert in Shopify.
I have reviewed your job description as well and very confident to handle this project perfectly.
Understood your all requirements. I have done many projects like this.
I can start work immediately now for you and can provide you perfect result for your requirements.
Please let's discuss your project and The reasonable price for this project in more detail.
Portfolio - you can check my skills and reviews here - https://www.freelancer.com/u/zahi9
Skills - Shopify, WordPress, Woocommerce, API, payment integration, PHP, Web Design.
Best regards,
Zahidul