Mobile Generalist - I've been a mobile developer since 2001, and since then I've worked on Windows Mobile, J2ME, BlackBerry, Symbian, iPhone (since launch), Android (since launch), Windows Phone (since launch).
I also do a lot of cross-platform development, producing apps Android, iPhone and other devices from a single code base. Guru in the MoSync SDK.
My specialities (or generalities) include expertise in C++, C#, Objective-C, Java.
I have a huge amount of experience in enterprise level mobile development, XML, SOAP, JSON and RESTful services.