Random Chatting app for iPhone/iPad - DEVELOPER NEEDED

We are building a new Random Chatting application for iPhone/iPad that supports Facebook social network integration. We are searching for experienced developers who could implement app features (given below) and it's design (optional, but preferred). REQUIREMENTS The list of feature is given below and skill requirements are as follows: Cocoa Objective-C iOS SDK Xcode Good communication skills Extremely goal oriented Ability to work under strict deadlines LIST OF FUNCTIONS Facebook connect Start chats by interest/by location Trending interests (list of the most popular interest, user can click on it to start chat under the selected topic) Text input Grammar check Typing icon Your typing bubble (see what you are typing on the bubble in the middle of the screen) Highlight send button when message is written/ being written Hide/show keyboard Show interests which you share with chat buddy (interests are displayed when user clicks on his/counter-party's profile picture) Report abuse Next (person) Stop the chat Recent chats Nag screen (dynamic, so admin can edit it) Nag screen that appears when you try to use paid feature with free app version Banners More (page with dynamic text + logos of other products) Stats and other 3rd party -> Flurry analytics, Adwirl. Collect stats on usage of the application Paid edition: Send pictures / video Chat with Facebook friends Add to favorites Show who's online (from FB, from favorites) Offline messages from Facebook friends and favorites