Thats fair. My comment wasn't directed at you. I was trying to be smart and write an inverse of original comment. Where I as an interviewer was looking for a proper 'data stack' and interviewee responded with a bespoke solution.
"not understanding the scale of "real" big data was a no-go in my eyes when hiring."
Sure, okay, I get it. My point was more like "Have you tried this obvious thing first that a lot of devs can do for you without too much hassle?". If I were to try for a dedicated data scientist position then I'd have done homework.
"not understanding the scale of "real" big data was a no-go in my eyes when hiring."