Create an scheduling/appointment site

Hi, we are looking to experienced and expert level developers to help us create an online scheduling/appointment booking system via PHP. If you have experience to develop similiar sites like zocdoc.com, avvo.com, this may be the right job for you.

An ideal potential develop should have :
1, a demo of your existing scheduling/appointment booking script similar to zocdoc.com
2, or a demo of Q&A script similar to avvo.com

What we expect you from this project:
1. leverge on your current script and complete the rest of requirements of the project;
2. a mobile compatible site and clean script
3. delivery time is within 3 weeks after the project is awarded

PLEASE BE AWARE THAT WE WILL NOT MAKE UPFRONT PAYMENT AS SO MANY LESSONS WE LEARNT IN THE PAST. WE WILL GO BY FIXED PRICE AND PAY THE WORK THROUGH MILESTONES.

Again, please bid this job ONLY if you have allready developed the same kind of project in the past. If you think you have the quality we are seeking for, please send us the demo sites and let's have a quick discussion to move forward.