Dear Prospect,
Thanks for the job posting :)
I have reviewed your job description and specification document very carefully and I am pretty much confident to continue this conversation.
I have done many project for client from all over the world in a variety of industries including the following: Social Media, hospitality, marketing, real estate, education, school, job seekers, and tech.
I have good hands with Xamarin, ASP.NET, C# etc. It's felicity to Inform you that recently I have worked on Xamarin project. I can give you demo via Team-Viewer.
I can start work on Immediately.
Thanks and regards :)