--> All I can do with backend JavaSE, JavaFx, JavaEE with Servlet, Spring, Spring-Boot Architectures -> MVC

--> All I can do with Database MySQL, MongoDB, Hibernate, H2, JPA --> All I can do with frontend (Android) Architectures -> MVP, MVVM, MVI Frameworks -> ROOM, Realm, ButterKhife, DataBinding, LiveData, Retrofit Dependency Injection -> Dagger2

--> All I can do with Web Fundamental Web, Bootstrap, TypeScript, AngularJS.