HR firstly contact for asking your basic information and then would negotiate with this role's line manager to have an interview. At the time and then go to the office to fill out a form.
Several interviews. Initial step is with HR if move forward then hiring manager if move forward then interview with someone in team if move forward then group interview with 3-4 people in same or similar role.
Interview questions [1]
Question 1
What about this role interested you? Why did you apply?