Teams vary pretty heavily too. I like the team of 12 in my large company, but a few other guys who started around the same time as me hate the people they work

Teams vary pretty heavily too. I like the team of 12 in my large company, but a few other guys who started around the same time as me hate the people they work with. That makes a huge difference in your day. At a startup, there are 5-25 people and that's it. At a big company, groups and departments have their own cultures and job functions.