I've started my first dev job earlier this year at a small company, around 10 people. And it scares me that I already do this.
I used to deliver as quick as possible and working my ass off and finding that the only thing it got me was a little praise and that more was expected from me the next time. Now I'm browsing HN during work time still delivering within deadlines, just not a week ahead, and most importantly, I feel like I'll be sane doing this work for more than a year.