143129 Need backend script made

I need a backend script to run a website that records "recentely sold" listings of houses. Whenever a house is sold I want to input in a database the information about the sale like price, buyer and seller name, and other information. I need a database EXPERT to make make the database with the following features: 1. Be able to use keyword search to search listings 2. Admin Control panel to add, edit, remove listings and have site statistics 3. Listings be in searchable category's e.g. Florida Home, New York Homes 4. Memberships area to add, edit, remove listings (free and paid), Paid get more listing results and other features 5. Possibly search other websites for sold listings 5. could be in either ruby on rails or php 6. Search engine friendly 7. Programmer must be able to come up with ideas for best funcionlity.. Auto bids will be ignored, please type in CATS in your bids. Thanks Matt