The hiring process was extremely efficient. They move as fast as you need.

I got responses from the recruiter in minutes, and two hours after the interview, I got the results.

The office looks nice, and the people there do too.

It looked too young for my taste. I didn't see anyone older (over 45) with experience, but this was only a quick look.

I have a problem that I can solve in 20 minutes with my laptop, but when you need to code it on a whiteboard, it's a different skill I don't have.

Even though your concept is right, they look for potential bugs in your code, so make sure you write carefully (I don't).