190414 Reverse Auction Script/Website

Current project is for a reverse auction website with design. Searching for professional programmer who has already modified/installed current ready made scripts and know how to do it fast. Payment will be made as follows and please no exceptions: 50% after testing on your server. Balance after installing on my server. I pay on time, so no exceptions, and I am looking for long term relationship too. For full project details please check the attachment.