Mobile App - iOS & Android - Location-based , bidding app

I need a talented individual or team to create a mobile app for Android and iOS – The app itself will be a completely mobile-based bidding service Users of the app will be able to: • Create a stand-alone account as user • Sync their account with other social networks (Facebook, Twitter, instgram, Four Square, linkedin) • Search for friends, including Facebook friends who also use the app • Share their location with the service provider • Send messages and receive message to/from the service provider • rate the service provider for the service when its done • Register as user • Change their mode to “Online” or “Offline” in the app • choose from the list of service providers who bid on its request. • place a service request need from the services available in the app and choose from the drop down menu for each service. service provider of the app will be able to: • Create a stand-alone account as service provider • Sync their account with other social networks (Facebook, Twitter, instgram, Four Square, linkedin) • Search for friends, including Facebook friends who also use the app • Share their location with the service provider • Send messages and receive message to/from the user • mark the job done • Register as service provider • Change their mode to “Online” or “Offline” in the app • choose from the one service or more from the list of service offered that can be bid on, the services will be saved in the provider profile • Place a bid on the service request by user for services subscribed to offer • show service rating in its profile Admin of the app will be able to • all admin roles • block/delete users/service providers • add/remove services • send push notification to all/users/providers/a specific service users/a specific service provider The app will also include the following features: • Location-based profiles (similar to Blendr and Grindr) • Send notification to the users for the services they are looking for when its near their location • Ability to easily cross-share statuses with social networks (similar to when you share a photo on Instagram) • Adjustable privacy settings • Third-party mobile ads (for monetization) • In-app notifications (similar to Facebook notifications) • Push notifications • Abuse prevention measures • send use reports, number of downloads, I need an individual or team who: • Can communicate clearly in English • Will be able to conceptualize the big-picture of what I want the app to be • Knows the caveats and requirements necessary to create an app that the iTunes App store and Android App Marketplace would approve • Is knowledgeable about syncing apps with social networks like Facebook, Twitter, instgram, linkedin and Four Square, as well as the ability to utilize each to improve the user experience • Is creative – in regard to creating an intuitive app that is aesthetically pleasing • Would be willing to continue to work with me in the future to make occasional improvements as needed • Has experience with location-based social mobile apps Final Notes: I want there be open communication at all times, and for you to ask as many questions as possible so that we can both be happy with the end result. I need more than just a good developer for this app, i need someone who can design an app that is aesthetically pleasing, minimal, intuitive, functional, and modern looking.