I have 5+ years of experience in web development. Already worked on similar types of projects. As I have gone through the referred site, the scope is little bit deep. I can Provide you various Modules in backend, which can be easily managed by Admin. Those modules can be like, User management, Update, delete, activate, inactivate User, Send Emails to User on signup or in various scenarios. Email Template Customization, SMS gateway, Payment Gateways, various statistics reports with export to excel and save as Pdf facility and many more as per your requirement.
Website Hosting and web site design is also included in it.