Bartozs Milewski wrote a book called Category Theory for Programmers and has a series of lectures on YouTube https://www.youtube.com/user/DrBartosz https://www.

Bartozs Milewski wrote a book called Category Theory for Programmers and has a series of lectures on YouTube https://www.youtube.com/user/DrBartosz https://www.youtube.com/user/DrBartosz I found it to be thorough and relatively gentle (for something as abstract as category theory anyways!)