Hi, I have already developed features you required, social media login for my own project using Oauth.
I have also worked on Microsoft's owin. I can show you live demo my work.
I am expertise in C#, Asp.net and sql server with experience of 3+ years, developed a 30+, web
applications and desktop application using C#, Asp.net, MSSql,MVC,Html,Jquery. I also have a very good hand on experience of scrapping websites. I can scrape almost every website and provide you data in any format CSV, PDF, excel, MS access etc.
Please contact me for further clarification and live demo. Thank you.