I applied online. The process took 2 months. I interviewed at Celsus Laboratories (Buenos Aires) in Feb 2017
Interview
First you receive a call and they explain you all about the company, principles and values. Then they explain how is the position you have applied and ask you about your professional background. Then you will have a interview in person usually in the headquarters and with 5 stakeholders.
Interview questions [1]
Question 1
Tell my about a challenging situation that you have experience in your last job.