Mobile application for trading exchange

Avg Bid (USD)
Project Budget (USD)
$750 - $1500

Project Description:
I am looking to hire someone right away for an android/IOS( IPHONE, IPAD) mobile application to interface to a trading exchange.

1. Tell me what kind of experience you have with Andriod and IOD application development
2. I need the following features:
- Authentication with two factor
- create a rich user interface to display all items being traded
- streaming data
- Place orders
- display order book
3. Tell me how fast you can deliver

Additional Project Description:
12/24/2013 at 21:00 EST
The application must be fast.
A native application is needed for IOS and Android.
Must support Chinese, English, Russian, Spanish.
Must support wallet service to hold multiple markets
must support favorite list
Must support connecting to multiple exchanges
must create offlline list from online list.
must be able to place buy, sell, cancel orders
must calculate trading fees
must support cookies

12/24/2013 at 21:06 EST
Must be password protected and option to user to lock app every time application is minimized
must be able to scan QR code

12/24/2013 at 21:42 EST
Backend is developed.
Data for application is calls to the backend with defined API using JSON
You are bidding to develop both Android and IPhone application
There are no Mockups. You will design the User interface with my input
Must support multiple market mean ( should be able to keep a list of market, quantity, price ). A market is a stock/product
users connect to multiple exchanges. Each exchange has a specific API. Code must be designed to support various API's using JSON.

12/25/2013 at 10:22 EST
I will pay you 10% once you have agreed to all requirements. when you have a demo working version, I will give another 20%. When we finish testing, I will give you another 40%. once implemented and in stores I will give 20%, the other 10% and a bonus of 10%.
I will pay the 3% fee right away.

Skills required:
Android, HTML5, iPad, iPhone, Mobile Phone
About the employer:
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