UI / UX designer is a creative specialist who designs user interfaces. The main task of the UI designer is to help the user easily understand how to interact with the product. To achieve this, you need to know programming, and the psychological aspects of colors, and graphic design, and have a sense of style. The main thing is not to make these mistakes www.plerdy.com/blog/top-10-ux-mistake/ in order to achieve a good result.