QuantumBlack Data Engineer interview experience

Got offer

Hard

Positive

London, EnglandPosted Sep 2018 · Candidate report, summarized by Dataford

After an initial HR screening, I was sent into a pretty structured loop.

About a week later I took a 2-hour HackerRank test focused on Python and SQL, and it felt like it was meant to filter quickly for practical engineering ability rather than trivia.

The next phase was a longer technical and case-study day. I worked through a Python-focused case exercise where the emphasis was on my storytelling and logic using tools like Jupyter. After that, I went into the final round interviews: one heavy technical conversation that dug into my experience, the tech I’d used, whiteboard coding, and deep dives into data structures and analysis. The whole vibe was very “can you

Create a free Dataford account to unlock the full round-by-round breakdown, the questions asked and the outcome.

Read the full report Read the full report

Preparing for this interview?

QuantumBlack Data Engineer interview guideThe full process, round by round, with the question bank Practice Data Engineer interview questionsReal questions from this role across companies All QuantumBlack interview guidesEvery role we cover at this company