Tough to promote without transferring, which now I don't believe you can transfer UP the chain. If you're an L4 looking at an L5 job you have to get promoted first and then transfer, but maybe that's just the data center side. My info is a few years outdated.
Overtime isn't as much as I'd have liked, and the pay was alright for what we did.
They're super "inclusive" so this is a woke company. If you don't want to be around that stuff it's easy to avoid but know that they'll try to celebrate everything.