Social Login Integration for Registration/Login

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I have a website that I need someone to build the ability for new users to bypass registration by using their existing Facebook, Twitter, LinkedIn or Google+ account profiles to register.

Also need the ability to sign in using these same profiles.

Must be proficient in the latest APIs of these social login services.

Strong preference given to developers in North America.

Potentially more steady work if this project is done successfully.

Web Application is:
.NET 4/C# MVC 3

Web Service Application (handles placing ORS request and retrieving response txt file) is:
.NET 4/C#, WCF

Database is:
MS SQL Server 2008 R2 Web Edition

Additional Project Description:
10/22/2013 at 0:40 BST
Forgot to mention:

Most likely Facebook and Twitter will already be integrated.

Need someone to add Google Plus and LinkedIn.

Also need an example of a social login project that you completed.

Skills required:
Hire edyang
Project posted by:
edyang United States
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