Urgent Virtuemart Payment Process System Integration in Joomla

Hello Contractors, Please read the job posting & understand the job scope before applying & the exact details will be provided in Interview session. No AGENCY please, only individual contractor. System Details : Joomla 2.5.6 site with Virtuemart 2.0.6. Problem Details : I am recreating my old joomla 1.0 site into the latest version. All has been done except the payment process system as we needed. We do manual shipment. So, we always adjust or update the shipment cost later, after getting the order from our customer. Here is the payment process of our old site : 1. when a customer first checkout a product, the order status becomes pending 2. Then we update the shipment price manually from back-end & the customer get an email with the new price & a link of payment system[paypal] to pay 3. After their payment the status becomes confirmed & then after completion we update the status to shipped. Job Requirements : *** I want the same system to be integrated into the new site *** You have to test this system after development to assure the quality of your work *** A small Documentation of your work What you will get? : Full Payment upon completion of the job & more job at the future. How to apply? : ##### Use 'JVM_PPS' at the top of your cover latter. Otherwise your job post will be ignored or declined. ##### Sample sites on Virtuemart. ##### Time limit & your thinking on how to solve this Low Budget with Commendable skills will win. HAPPY BIDDING. Regards, AVALON Incorporation