Hi,
I have already placed bid earlier for your invitation. You can find few examples in my portfolio which I have uploaded on freelancer site.
I do have 12+ years of experience with all ArcGIS applications like ArcGIS Desktop, ArcGIS Server (JavaScript API + Flex API + Silverlight API), ArcGIS Mobile, ArcPad, ArcGIS Engine using .NET technologies.
Please let me know if you're interested then we can move forward.
Let me know if you have any questions.
Thanks,
NetGIS