After 10 years of working in web development, I was on the market a few months ago. It was the most humiliating and defeating experience ever. I basically failed all my whiteboard interviews (that includes using things like coderpad). Most of my interviewers didn't even ask me about my experience, just straight to test.

By the end of it, I decided I should just apply for Junior positions. I also got the advice that I have to take a couple months off to study for them. So that's what I did. (Not easy to do when you have mortgage to pay and a family to feed)

But what I hated most about the process is that there is very little feedback on why I didn't do well. Obviously they had a reason why they didn't like --me-- (edit:my code). I wish companies were more open to giving feedback. I gave you an hour of my time, it would be nice to get 5 minutes of debriefing.

If whiteboarding is not for you, this list was on HN few weeks back.

https://github.com/poteto/hiring-without-whiteboards

CircleCI is in there too.