The whole interview process is relatively long. HR professional level varies and really depends on the functions that apply. But you will be noticed for every stage of the interview process. The interview stages and the exact Qs involved is really depends on the role, line manager's thinking.
Straightforward, went through two interviews online, interviewers were very informative about the role. The first interview was mostly cv and experience questions, the second interview also had a couple of case studies.
HR recruiter contact first then schedule panel interview. Did online based behavior exams and 2 rounds of panel interviews. One round of video interviews and one round of In person interview.