Cloud service like dropbox with video streaming

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We are looking for a cloud project like Dropbox where we provide 5 GB free storage, then 25, 50, 100GB as paid subscription. We need Authentication done through FB or other means, and the user should be able to upload/download files to the cloud through Mobile Applications such as IOS, android and a Windows virtual drive is required. We already have the Mobile application, just need Api to access files to and from the cloud.

Our focus is on Video files where the user can upload and stream it to any connected device. We are planning to use Wowza streaming server for this purpose. If you don't have experience with Wowza, we can get you guidance from an expert on hooking up EC2/S3 to Wowza server.

Basic requirement should be User Authentication, space management, folder creation, public folder/share option and Api/sdk creation for 3rd party developers to develop applications based on our cloud.

In short the best comparison of our project would be dropbox with video streaming, although we don't need dropbox level document features as our focus is on digital media.

Please bid only if you are really an expert with our requirement in terms of Cloud development, EC2, S3 & Wowza. We are looking only for quality work and qualified team.