Not interested to hear interviewee, turn up late, interview lasted for 3 mins only and what the hell was that question? Now you done with your studies what's your plan going forward. Very rude interviewer and since this is a start up and solely relying on NHS. here's my advice : if you are not a technical person then prior to conducting an interview please do research rather than just using a BUZZword, all the technical terms falls into a one single entity. If you don't have experience in conducting technical do research and pick the right question to ask instead of asking stupid questions which you are making fun of yourself.