Let me start:
1. Designing Data Intensive Applications
This book doesn't need any additional praise, but it's just brilliant how it manages to be both highly technical and very readable (and even capturing).
2. The Pragmatic Programmer
I wish I had read it years ago. It reads like a great conversation with an incredibly experienced friend of yours
3. Philosophy of Software Design
It's debatable whether this book is the better replacement for Clean Code, but I really like how nuanced and undogmatic it is.
It goes without saying that with such books it's often the case that you revisit some parts or delay until you have a usecase that includes the topic discussed in the book. This is especially true for DDIA.
What are your top 3-5? Please, also add your brief comments on how exactly this book changed you :)