PayPal PRO Hosted Expert for Opencart based site integration

Hello people, i need a PayPal PRO expert for some fixes on my already installed extension. The extension i'm using could be found here: [login to view URL] I own a customized e-commerce site based on Opencart platform and i live in Italy. These are bugs and issues to fix: - Sandbox is not working - Order total is always saved on backend with 0.00 value - Customer order comments are not saved on backend - Delivery fees are not listed on PayPal page - Some fields are not correctly mapped on PayPal page PLEASE READ CAREFULLY ALL REQUESTS AND POST YOUR BID ONLY IF YOU ARE ABLE TO MANAGE AND COMPLETE THE PROJECT. Payment details : 100% milestone at project start. Milestone release will be completed ONLY when you will get my complete satisfaction.