I develop responsive web applications using C#, .NET Framework and SQL Server / MySQL Database. You may check out my projects.
I am expert in developing Responsive Web Applications using Node.Js, ExpressJs, React or EJS, Mongo / Firestore Database.
I am also learning to develop responsive web applications with PHP, Laravel Framework & MySQL Database. Have done couple of projects too.
I develop lightweight and optimized android apps that can provide various functionality. Have a look of my android apps.
I am also quite familiar with developing native Desktop Apps using .NET Framework. But still I'm in beginner level in this field.