Marketplace Product Listing Uploads

I need help getting my product live on Amazon, Myntra, Flipkart and Nykaa. All product data—titles, bullet points, descriptions, images, pricing, GST details and inventory numbers—are ready; I simply want everything uploaded accurately and in the correct format for each marketplace... (Budget: $30 - $250 USD, Jobs: Amazon, Amazon Web Services, Customer Service, Data Entry, Digital Marketing, eBay, Inventory Management, Product Descriptions, Product Photography, SEO)