I submitted my application through a university website. I was sent an email with a technical question to solve. After completing the problem, I was contacted again to schedule a phone interview, and the interview was expected to last about an hour. However, I never reached the full hour because of the difficulty of the interview questions. The interviewer started by saying he would ask questions about my undergraduate coursework, but he decided to choose the courses that didn't even apply to the position. He asked about electromagnetism, linear algebra, and quantum physics, and afterwards he began asking more questions in the field of computer science such as how memory is handled in Java. I could already tell that the interviewer was just reading information and questions from a sheet of paper so it wasn't a very engaging interview.