Airbnb

The interviewer of a system design problem often has a specific vision for how the system should look. If your design differs from their preconception, they may have little patience for it.

I received a coding challenge from a recruiter fairly promptly after applying online as a university college student. The problem was not too easy, and I did not get through to the next round.

I applied through a recruiter and had an onsite interview in SF. The interviews were mostly pair coding on a computer, plus two rounds of culture fit. The questions were quite challenging if you hadn't encountered them before. I didn't use Glassdoor