I have developed many web application like this.
Using highly responsive designs and effective professional GUI like google,facebook.
Technology i will use : PHP, HTML5, CSS3, BOOTSTRAP, AJAX, DHTMLX.
I neither see what payments you giving me, i will try my best possible and preferable for this site.
Contact me or mail me
nixust<a>gmail<.>com
kapiladiyecha<a>gmail<.>com
+91-9725048144