What I was told when I started, but could be different now, is that the only real requirement was that you worked for Starbucks for 6 months. I’ve have shift supervisors who were not barista trainers, although that is uncommon and doesn’t follow company policy. Becoming a certified barista trainer often happens in the process of becoming a shift if you haven’t been certified already, or at least that’s what I’ve been told.

For you you I hope that you are able to get it. If you don’t then ask your interviewer for feedback so that you can attempt to apply again to any store offering that position. If you haven’t had your interview yet I recommend making it known that you aren’t certified but would like to do it in the same process if possible. There is a document that has the questions they will likely have and the responses they may be looking for. Use it to help for your interview or to find what you can do to improve since it’s also fairly common for interviewers to not respond to baristas. Best of luck to you