What i need to be prof in programming

Answer 1

To sign a contract of employement or find private pupils ^^ ( unfortunaly, in the today's world, to work in a domain, you don't need to have the necessary capabilities :( )

Answer 2

patience, determination, a lot of practice ... and a computer

Answer 3

Most of the steps mentioned are important for all programmers. Following steps are very important.
Contribute to open source projects like for javascript angular (Angular) · GitHub and jquery for other languages many more on GitHub. (This will really orient your coding habits to professional style because they wont accept it until its up to standards and you will need to read professional code for making standard.)
Read programming patterns or some basic rules and practice them in your work, like Model/View, Encapsulation and Composition over Inheritance more advanced :
Model-View-Controller -- should be considered for any app with a GUI, though there are other patterns that may work in certain circumstances.
Inversion of Control/Dependency Injection -- reduces coupling between classes and allows for much easier unit testing via mocking
Factory/Abstract Factory -- allows classes to create dependencies as needed rather than having to keep them around for the life of the object.
Work in more than 2, 3 languages just to broaden your concept, yet keep your experty in one language at least.
See codes of some great programmers.
If you are newbie work in the supervision of some professional