Shopify custom development

Development of E-commerce Site with 1 Core (1,00,00,000 Products) in shopify. Requesting to read complete project requirement to understand. We have product .csv and category .csv files of 1 crore products stored in CDN directory. The images of the products is already downloaded and stored in CDN in respective directories. All directories and .csv files are uploaded in a sequential manner. [For products we have 1,000 .csv files, and each .csv contains 10,000 products. All stored in bunny CDN in a directory] [For images we have 1000 folders and each folder containing 10,000 images stored in bunny CDN] In product .csv file the image URLs and other product details of every product are well defined in the .csv file Required all the products to be made live in Shopify eCommerce platform. Note We need custom solution such that Shopify can add and process mass .csv files in existing format as attached in link Or we need to make changes with script in the existing csv files to match Shopify format. A custom solution should be considered to speed up the process of csv upload from the csv files we have. Please get back. Thanks in advance Attached product .csv and category csv as a sample. Product .csv file sample- (We have 1000 csv files in similar format) [login to view URL] Category .csv file sample- [login to view URL]