Nearly four rounds of interviews the fourth would have occurred if the recruiter hadn't herself gone on a two week vacation as well as the fourth interviewer hadn't also gone on a two week vacation around the holidays. I had been nothing but communicative and flexible with my schedule to accommodate the timezones and constant need to reschedule due to the holidays or the key person not being available given the provided availability. Overall, the process was a genuine waste of my time only to be ghosted but the recruiter kept calling incessantly during the interviewing process but cannot be reached after.