Chronopay Payment Gateway Integration for CRE Loaded-Urgent

We need a candidate who has extensive experience in integrating payment gateways into CRE/OSC. Especially Chronopays Payment Gateway (not the module). We need someone to start fast and finish within 12hrs. Payment upon completion and depending on time and functionality testing. GAF escrow. Budget: $100-150 Candidate has to be avaliable on Skype/MSN during work. We have the manual and all necessary variables. Custom scripting and testing will occur. We have Linux CentOS, CRE B2B 6.3, MySQL 5.1.3 Skills: PHP/CGI/MYSQL/OSC/CRE PLEASE NOTE: We need someone with good experience, so if you do not have it, please do not bid.