I have 22 years of experience in development by using Microsoft technologies , experience in mobile app development (Xamarin), Server (MVC, Azure App, etc). Worked on high loaded systems. I can fully implement architecture and app from scratch. Solid understanding of object-oriented design and design principles. C#, .NET, Xamarin, ASP.NET, .NET Core, JavaScript, WebForms, WPF, WebAPI, android xamarin, ios xamarin, tfs,JQuery, IOC, VOIP