As the author notes, this is very much in the style of the aphyr's Interview series of stories like "Rewriting the Technical Interview" - [0] - which are all great reads as well.
[0] - https://aphyr.com/posts/353-rewriting-the-technical-intervie...
[0] - https://aphyr.com/posts/353-rewriting-the-technical-intervie...
https://joelgrus.com/2016/05/23/fizz-buzz-in-tensorflow/
To whet your appetite:
> interviewer: Um, you understand the problem is fizzbuzz, right?
> me: Do I ever. So, now let's talk models. I'm thinking a simple multi-layer-perceptron with one hidden layer.