1. You rarely write something from scratch
2. Domain knowledge is more important than your coding skills
3. Writing documentation is not emphasized hard enough
4. Code is secondary. Business value is first.
5. You’ll need to work around incompetence
6. You work with uncertainty most of the time
7. Assume everything has bugs
8. It's not a dream job
9. Aesthetics can't be taught
10. Estimations will be asked even when you don't want to give them
11. Not all meetings are bad