Development of Dropshipping addons on WP

Hello I am searching for one programmer which wants to work on the following project. based on either wordpress or opencart. You will be deleloping a b2b dropshipping site. Our customers will be people with Webshops. Which will display our products on their sites. Your taks will be to: 1. Create a nice dashboard for the customers. And add the following features: 2. Create CSV, XML output options, to export our big product inventory in a smart way, So customers can stream the products/information/images on their own webshops. It's important that it will be made to it will be compatible with our competitor which owns the market. So our customers can easily add our products and or switch over to our inventory. 3. An Bulk order page with easy product search. So our customrs can order products based on EAN/UPC/Producttitle/Productcode. 4. An option so our customers can automaticly insert sales, by uploading a csv,xml 5. Option so people can prepaid/pre-fund their balance, So they can purchase products without each time going thru a payment process. Important: - I do not want to work with a programmer which has no amagination - A programmer which does not want to think allong. - A programmer which does not look intoo the potential problems., - A programmer which does not deliver on time. We have a tight budget. Since we have to build up our bussiness from scatch. Please answer the following sum: 2+2 =... to make sure you even scroll down. Tell me upfront: [login to view URL] WP or Opencart 2. Costs 3. Timeframe of delivery. 4. References/previous jobs you did. Let me know Regards Dari