Amazon Product Upload & UPC/GTIN Issue Specialist Needed

I need an experienced Amazon Seller Central freelancer who can help me upload products and resolve a UPC/GTIN error that is preventing my listings from going live. Amazon is rejecting my UPC codes and requires proper verification and documentation. I need someone who understands Amazon’s GTIN requirements and can handle the full process of getting the listings approved. Your Responsibilities Upload my products to Amazon Seller Central Fix the UPC/GTIN error so Amazon accepts the listings Communicate with Amazon Seller Support if needed Provide guidance on what documentation Amazon requires Ensure the products are successfully published under my brand Bulldog What I Will Provide Product information UPC numbers Amazon’s error messages All required documents from my barcode provider My Amazon Seller account details needed for the task Requirements Strong experience with Amazon Seller Central Proven ability to solve UPC/GTIN validation issues Ability to communicate clearly with Amazon support Experience with brand registry or GTIN exemptions is a plus Goal Get my products uploaded and fully approved by Amazon without GTIN/UPC errors.