Google Merchant Center and Shopify Help

I am looking for help with rehabilitating and optimizing our existing Google Merchant Center and Shopify integration. Our shopping ads were suspended due to an issue on Google Merchant center and we need to understand and fix the issues using Shopify. Our main goal is to improve the visibility of our product listings and we need assistance as soon as possible, ideally within a week. We are aiming to troubleshoot existing integration issues so that our content can be easily indexed and found more effectively in search results. We have a strong preference for someone who is already experienced in working with both Google Merchant Center and Shopify and we would like them to provide recommendations on how to best optimize the product listings. The successful freelancer must be able to work quickly and efficiently so that the project can be completed within the accepted timeline.