First contact with HR. Phone screening usual questions such as why are you looking for a new opportunity, etc. During this time I was told about Hackerrank and a test that I would have to take to check my knowledge of c++ Second Interview with hiring Manager was more about tell me about your pass experience. At this time I was told that I would have to prepare a small presentation for the next phase interview Third phase I was told to take this test at hackerrank not much info about it. First HR guy told me was going to be c++ knowledge. I got take the test it is 1 HR long 3 problems meant to test your knowledge of algorithm and maybe c++ containers. Mind you I am an embedded software engineer. Fourth interview. Presentations of a few slides about my pass experience and then a few interviews either one of one or multiple people. Overall this interview was about 4 hours long. Mix question some technical some more general.