Integrate Social Media with MVC application

We have an ongoing project being developed in MVC 4.0, Using Smartadmin. Database: MySQL. We require social media development Experts to develop the following for us: 1. Facebook, Google, Twitter Login Integration. 2. New Sign up using Social Media Accounts with Mobile number Verification (Mobile number verification is a part of existing signup) 3. Post links, images, videos, custom text with dynamic variables to registered users FB, Google, Twitter, Linkdin Accounts from various page owners. 4. Enable End users to post events from timeline of our website to various social media accounts (Custom text with variable tags). 5. Allow end Users to invite contacts from their social accounts and link them to our website. 6. Enable users to share social pages on their own time line against free rewards (reward function already developed) 7. Managing Social media Insight and analytic at the backend with complete statistics and graphs/charts. Skills Requires: (Request ONLY users who have the following skill set to BID for project) - A 4 Star reputation on Freelancer - Minimum 20 Projects completed - Minimum 5+ years of Experience - Well versed with Graph API, O Auth, Social App, SM workflow knowledge, - Good Command over English, - Dedicated Account manager - Strict adherence to time limit.