What skills are required for a WordPress developer?

What skills are required for a WordPress developer?

WordPress developer skills include HTML5, CSS, JavaScript, and cybersecurity proficiency. Most developers should also understand version control tools, like GIT, to manage their code. Other parts of the WordPress skill set include back-end development, Bootstrap, SQL, plugin development, jQuery, and MySQL.

And maybe  and:

color theory

Gimp or Photoshop

Linux CLI

and more ...