I was contacted by the recruiter, and the interview was pleasant. They said they would follow up after a few days but never did. Completely ghosted me after I followed up multiple times. In my opinion, it's completely unprofessional.

Fairly common straightforward interview with standard questions. Recruiter was friendly. I had a nice time discussing the role and my background and hearing how receptive they were. Multiple rounds of interviews were to follow including a presentation assessment. Be on your A game for it.