To the Sr. MLEs: What was it like to transition to your first "Senior" role?

Junior MLE here, NLP. ~3 years of experience. No STEM background aside from this job, my first in ML. Massive imposter syndrome.

Now I'm looking for my second MLE job, but 9+/10 postings are for Senior MLE. Knee-jerk, I feel I'm not ready to deliver at the level that title connotes; There is still so much I don't know how to do. I also really appreciate having mentors and other more senior people to look up to and learn from, …

datascience experience imposter syndrome job junior massive mle nlp role stem transition