_iamkurt's suggestion is the best.
Remember though being an expert at something does not mean you will pass the interview.
In the same manner being an expert at something does not mean you will be a good teacher.
Different skillsets so you have to prepare for both. Having a good portfolio online is a big advantage but don't forget your soft skills. You will be asked of things you don't know and that's okay as long as you can explain why you don't know and how you can attain that knowledge. No one knows everything but you need to show and express that you are willing to go the distance.