Hi,
I'm a web developer with 6+ years on experience in Microsoft Technologies. I've done several similar projects ans I suggest doing this project in ASP.NET MVC. It will allow as to create a responsive, extensible, powerful and secure application. It is the proved design patter which boots the web user experience.
I totally understand your requirement and I'm sure I can deliver a quality product if you award me this project. I give importance to security, functionality and UI/UX. If you are interested we can discuss.
Please provide more details about the website, so that I can provide more precise bid. I'm ready to start this project at any time from now.
Thanks
Moncy K.