If the interview was 30 minutes then it was long enough. Hiring managers typically schedule a period of about 30 minutes to interview a candidate for most positions ''. If you lasted 30 minutes you know that you answered well. If you were a little over 30 minutes, you know that you can talk and have good answers to questions. If you were a lot over 30 minutes, you probably didn’t make a good impression.
Don’t be defensive. You may be thinking, “But I did well. We only talked about my past work experiences.” This may be true, but you don’t want to come off as defensive. If you’re a little defensive, you might come off as arrogant. If you’re a lot defensive, you’re going to come off as untrustworthy.
Don’t bring up