Patience. Spending that extra time (it helps if you really enjoy it or can program yourself to really enjoy it).
https://www.youtube.com/playlist?list=PLZHQObOWTQDNU6R1_6700... for inspiration.
To answer the question though: I'm not sure what you produce other than maybe blog or publish some analysis using your data skills. And maybe: https://github.com/MaximAbramchuck/awesome-interview-questio...
(source: non-CS engineer at amazon who watched the amazon videos internally before they were made public. I'm not a data scientist yet but sometimes, esp. when people talk about the challenges of AGI, I think about transitioning.)