In the last couple of years, I have conducted more than 30 job interviews: on-side whiteboard interviews and, because of Covid, Skype interviews. I saw candidates with different skills. I saw two superstars of whiteboard coding. I saw many guys who thought that they can code, but weren’t able to write a single line or tell for from while. But these are corner cases. What about a regular guy with enough skill and knowledge for the job but not so experienced in whiteboard programming? Like me. I have given much fewer interviews than I have taken. So I am a junior in whiteboard coding.

As an interviewer, however, I can give you one piece of advice that will double your chances to get a job. Here is my tip: Write down every state of each variable in your code during a whiteboard interview. That is it. You can stop watching here. I have already given you the main idea of this video. For the rest of it, I am going to explain why it is so important and how to develop that skill.

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