.Net

Choosen programming language is C#. Web API, MVC, Windows Forms and WPF

Database

NoSQL (MongoDB) and RDBMS (Microsoft SQL, MySQL)

Cloud

Microsoft Azure, Amazon Web Services, Google Cloud Platform, Plesk, cPanel

Open Source

Some of the well known open source technologies: JSON, XML, JavaScript

Automation

Macros and scripts can develop for operating systems, virtual machines

Mobile

Choosen programming language is Swift. iOS, tvOS, watchOS