Information can be beautiful on its own, if you follow some common patterns about contrast, clustering and hierarchy. These are based on the principles of Gestalt [1] which engineers can learn without having artsy skills by watching books and courses specific for us, e.g. [2].
Do you know about Edward Tufte? His work doesn't revolves specifically about software, but his principles show how to present technical information in the clearest way, and his books [3] are beautiful examples on how to put a technical topic in book form with clean and beautiful layouts.
[1] https://www.interaction-design.org/literature/topics/gestalt...
[2] https://medium.com/bigcommerce-developer-blog/design-for-dev...