The things that will actually allow you to hire great engineers are things that are very hard to quantify, as listed in this article:

An excellent talk by Tanya Reilly about the career impacts of technical and glue (non-technical) work especially for underrepresented groups: “Being promoted is diversity work.”

I’m not a data scientist but I’ve been trained for it (as part of my computer science degree) and I’ve worked in a bunch of related fields. I wholly endorse this take by Vicki Boykis on the state of data science and what you need to be successful at it.