Very unprofessional interview experience. I have been interviewed without hiring-manager. Very unfair, to be interviewed by developers of the same level without the hiring manager's presence. Minimal common sense, some co-workers of the same-level feel threatened and turn hostile. 1 interviewer was very very hostile. I was able to answer most of the questions. 2/3 was Okay. Lesson learned- never waste time attending an interview where the hiring manager hasn't spoken first/ explained role, or hiring manager interview is not scheduled at all.