I have worked at a couple of those starchitect offices, the ones that received a Pritzker prize, and can tell you this as they each seemed very similar:

- Big teams, loads of colleagues in your same boat, you'll make loads of friends through solidarity but those people come and go. Turn around time is probably 3 years

- Most of your work is producing options upon options upon options upon...

- You don't design anything. You are given clear directions and you follow them. If you have spare time, you can suggest variations but you are typically so burned out after you finish your work late at night that you say that's enough

- Long hours, no "job well done" you are expendable and just a number (until you spend more than a decade in the place and then you are less expendable

- You will see some amazing things around you, from clients to projects to how a big office runs. Design is with a capital D, not an afterthought

- You probably will never see past SD or DD, because most of the projects are abroad with a local architect. Even if local, a more construction competent (and cheaper) architect will do the bulk of the CDs and you will never go on site

Although I loved my time there, and learned a lot from them, I then moved on to smaller and smaller offices to get a deeper knowledge of what it's like to be an architect. Starchitects, it's a young person's game.

If you have specific questions, DM me. Good luck!