> That's preposterous. You're going to spend hundreds of hours working together. 4-5 hours is extremely reasonable to make sure it's a good mutual fit.
The point is that you know whether it’s a good fit after 1 hour, so anything after that is just posturing.
Not always so. Generally during the first call with a candidate I can filter out the people who clearly aren't going to be a good fit.
But I've had people I was really excited to hire totally fail on the technical interview. And in some cases, turn belligerent when pushed on their solutions.
There are plenty of engineers who are friendly and really good at talking tech, but missing some underlying qualifications.
The point is that you know whether it’s a good fit after 1 hour, so anything after that is just posturing.