That said, English is the lingua franca of the field of computing. You aren’t forced to learn it, but without it, you’ll deny yourself access to the vast majority of material out there, be it books, articles, papers, documentation, specification, and so on.
No, they exist but they are rather rare.
Here is an example of a programming language that is completely in Russian: https://ru.m.wikipedia.org/wiki/Встроенный_язык_программирования_1С:Предприятие#Пример_программы
That said, English is the lingua franca of the field of computing. You aren’t forced to learn it, but without it, you’ll deny yourself access to the vast majority of material out there, be it books, articles, papers, documentation, specification, and so on.