PHP chat Webapp (openfire) enhancement and integration with new design

General information for the website: PHP chat application (openfire) from mobile to web and vice versa
Kind of development: Customization of existing website
Description of every page/module: 1.Chat page screenshot attached
2. Demo Url is given
Description of requirements/features: We want to Migrate XMPP/Openfire chat backend to Ejabbered and add some new features in our chat which is Openfire/XMPP based and supports web to mobile chat and mobile to mobile chat hosted on AWS . Changes has to be done in both Android app and web app. You will be responsible for only web part and supported by Andriod developer who will take care of Ejabbered server side part.
Second part is to integrate existing webapp into new landing page website-outer pages only (Html designs are ready) and make it live.

Following new features needs to be added in web chat,
1.Chat list roster should show number of unread messages and latest chat text (unread) summery preview.
2.Chat list roster should be updated with latest messages should move on top when new message is received
3.Top chat messages tab in menu, should show total count of unread messages as notification
4.Send typed text from message upon enter keystroke.with option to enable/disable enter keystroke.
6.Right now user status shows online in mobile app only if he is on chat screen of web app.. He should show online after he logs in and no matter on which screen he is.
7. Message sent receipt and message read receipts just like whatsapp.
8.integrate existing webapp into new landing page website

If you dont have experience with PHP Yii framework, HTML,Webservices , open fire/xmpp or Ejabbered chat server then don't bid.
After this you have to deploy app on AWS server

This is urgent requirement. Depending on quality of work and performance we may give you more work in future.
Extra services needed: Installation
Similar urls: http://52.77.101.201/apply/
Extra notes: