The Last Angel has some of this as the backstory. Humanity gets attacked by the Compact, an alien empire that wants to bring civilization to lesser species and essentially is white mans burden ideology cranked to 11. Humans say fuck that, and fight back, including making sentient AI(aliens really hate this), kill one of the aliens' leaders(aliens really, really hate this) and aliens decide to exterminate humanity. The story starts like 2000 years after this, and follows both the AI of a human ship, who has been self upgrading and fighting a 1 ship guerilla war for centuries, and the descendents of the last few human survivors, who managed to escape genocide, and instead were conquered and their culture subjugated. Strong parallels to amerikkkan treatment of natives. Essentially imagine if american colonialism, but native people somehow built a jet fighter in the middle of being colonized. that occasionally blew up a military base or oil pipeline and the crackers couldn't manage to find and kill it for centuries. But the main story is military sci-fi. Also lesbian relationship that I dont remember being written in a male gazey way is always a plus.