First, I was contacted by the recruiter, who I found extremely kind and genuine. We corresponded over email to set up a technical interview.

When I picked up my phone for the interview, the other side was very noisy. The engineer on the phone didn't bother to greet or acknowledge who I was and immediately started spelling out the problem to me.

He had a heavy accent, which was difficult to understand on top of the distracting background noises. The problem he gave was also a complicated one, with conditions he did not describe very clearly, even as I kept asking for clarifications.

All in all, the interview itself did not go so well, but I took it as a learning experience.

Verbally agreed not to disclose the interview question.