USA/CAD/UK/Europe prefer - easy/backend framework for website using css/jQuery -- 2 by softdesign001

Hi, I need a basic backend framework for doing admin tasks. I am looking for someone I can work longer term with. So to start this is basically just a simple/basic framework. Some important things: a) You should be skilled with jQuery/AJAX/CSS... (Budget: $10 - $100 USD, Jobs: Graphic Design, HTML, PHP, Website Design)