Hi, I.m a freelancer from Kolkata, West Bengal. I've very good skills in all that you listed except MVC (C#, Entity framework, SQL programming, .NET developing, Jquery / Javascript front end programming, WCF, HTML/CSS).
As you requested MVC as a must I'm not sure if you will consider me as a eligible candidate. If you consider, Please inform me. I can show you demos of my works.
I've worked with Json. My codes are well structured and easily maintainable.