Fractal Data Scientist interview experience

My first step was a DoSelect test: a 90-minute set of a bunch of ML/DL multiple-choice questions plus two programming questions. Once I passed, the recruiter came back later with the schedule for a first technical interview.

My technical interviews were very resume-driven and concept-heavy. In the first conversation after the test, a lead data scientist asked me to walk through what I’d done before and cover core ML/DL fundamentals. The next round leaned even more into how I thought about my work—why I chose certain approaches, tradeoffs, and deeper explanation of specific concepts. I also