Is there such a profession where you develop interfaces?

Question

Design

You don’t draw layouts, but only think over the user’s behavior, and an exemplary interface. Like animation, where to call in, but without the beauty of design and other things. Purely technically

Answer 1

UX designer

Answer 2

no. this is part of the designer's job. A good designer will be able to implement all this without such people.

Answer 3

just thinking about user behavior

no, draw-design on a real layout will need to be done. A rare designer will be able to understand what you want to get as an output.

Like what animations will go where, but without the beauty of design and other things

sometimes, animation either adds conversion or kills it
UX specialist must be aware of common behavior patterns, have the ability to test their guesses about user behavior on real users

Answer 4

ui?

Answer 5

Perhaps also a Digital Manager, whose duties often include prototyping.
But there is no separate direction, as already correctly said above.