J'ai postulé en ligne. J'ai passé un entretien chez Max Planck Institute for Computer Science (Sarrebruck) en mars 2016
Entretien
You may need to contact the PIs and they will invite you to give an interview talk at MPII once they plan to give you an offer. It may have a very formal process. But for me, it's just some informal chat because they can check your background by your publications and others.