Hi, Hope you are doing great!
I have gone through the details and understand the exact requirement that you want us to rebuild the pages for your existing shopify website. I have done several website in the shopify that I can share with you in freelancer. So share the pages you want to customize so that I will able to work on it accordingly.
I have extensive experience in CMS like Wordpress, Joomla and Drupal with woocommerce, opencart, prestashop, magento and others Shopify, bigcommerce with the PHP and Mysql Database. I will provide you the bes UI/UX with the mobile friendly design.
Share any further related info in freelancer chat box which will help in getting a brief idea about your project and will be able to provide you my best result.
Regards,
Peter