Need a custom MVC.NET which is using a firebase as it Microsoft SQL DB - Next Stage

I am need of an application in [login to view URL] 4.5 that will use Firebase [login to view URL] as it's data database. Things which is in need- I want to use the .Net SimpleMembership Provider to handle the authentication/authorization for the app, but it's tightly coupled to Microsofts SQL database and Entity Framework. Important things need I'm looking for a good .Net c# dev with experience in Firebase that can create a custom SimpleMembershipProvider assembly that will allow me to use the Firebase REST libraries to to control authorization/authentication. 1. Do you think integrating SimpleMemebership and using Firebase as back end is good? 2. why wouldn't I just use JavaScript and handle auth/and authorization? 3. how did you handle Firebase auth in the past? 4. What do you see as advantages to using Firebase as backend? 5. My .Net project can be accessed from github at (On Request) 6. one thing I didn't add in the description was that It's imperative that when a user is authenticated that the authenticated user can only execute Firebase methods within there user context. I can't have users changing Firebase url paths and perform data modification on someone else's data 7. Firebase email invite was just sent to you to give access to database 8. It contains 3 test user accounts showing structure of JSON 9. .NEt project can get gotten on GetHub at (On Request) 10. one thing I didn't add in the description was that It's imperative that when a user is authenticated that the authenticated user can only execute Firebase methods within there user context. I can't have users changing Firebase url paths and perform data modification on someone else's data.