Hello!
I have read your requirement & completely understood what you need because i am developing same system for one of my client, You may know about inkfrog & auctiva. Ping me back so i can share.
Relevant Skills and Experience
I am experienced PHP programmer and Codeignitter developer, Having 5+ years of experience in my field i am well versed with complex APIs and system analysis and deployment.
Proposed Milestones
£3608 GBP - To be discussed
I can give you what you want, but budget is too low, Lets talk to see my work.