Standard procedure: Two over the phone, 1 day onsite interviews: With HR, future supervisor, and experts of the fields: C++ infra computing, high performance computing, algorithm computing, and finally with panel of supervisors and higher management people

There were some personality questions. Most of the questions are about the technology and your preparedness. There were several questions about what you did, and you had to present it on a whiteboard in front of the panel. I do not remember all the details...