Hi, I have gone through your REQUIREMENT.
I can help you in this as I have much EXPERIENCE in Asp.net, C#, MVC, JSON Web services , ATOM Web services.
Relevant Skills and Experience
Website designing/ website developing(Asp.net, C#, html, css) .server side scripting language(php) .wordpress
Proposed Milestones
$100 USD - api
Html
CSS
Web Development and Web Designing.
JSON Web services
ATOM Web services