This might seem more basic/beginner level but I really have enjoyed working through How To Design Programs. [1] It teaches you how to think about data, types, abstraction, and creating mini languages/sets of functions for robust, adjustable, and maintainable code. It's helped me immensely as I've started to build much more complicated stuff. It's amazing how you can follow the design recipies, break problems into parts, plug functions together, everything just works. Applying these principles in a typed language (TypeScript) has massively improved my ability to much more complex stuff that is also more safe and maintainable.

[1]: https://htdp.org/