what is the research experience you had is essential in getting the job and they are also concern with the general personality you have. after all, it's an academic position that is only offered to suitable fresh graduate student. if you want to rock the interview, prepare enough to show them that you know what you do.

E mail Application with resume , technical interview through skype, Research discussion with the professors group regarding the PhD research, Research work presentation in group meeting, Job offer Overall it was a good experience