Reddit·Machine Learning Engineer

Reddit Machine Learning Engineer interview experience

No offer

Medium

Negative

BerlinPosted Sep 2023 · Candidate report, summarized by Dataford

Before my first technical interview, the recruiter shared a list of topics that sounded like a typical DSA focus: data structures and algorithms.

But once the interview started, I got pushed into questions like how hash tables work, including a deeper dive into hash functions and why collisions happen—oddly disconnected from what I expected for an ML role.

Then the coding task shifted to something more like careful data wrangling than algorithmic problem-solving. I was given JSON data and asked to process it by extracting fields, converting them, regrouping them, and doing aggregations. The task wasn’t impossible, but it was easy to make mistakes because there were many transformations to keep straight.

By the time I finished, I felt

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