Quantcast·Software Engineer

Quantcast Software Engineer interview experience

No offer

Hard

Positive

BerlinPosted Mar 2026 · Candidate report, summarized by Dataford

After a recruiter screening and a take-home task that I found pretty easy, I did a follow-up call that lasted about an hour to talk through what I’d done and extend the work with new functionality.

Then the process shifted into a more intense stretch: I had three back-to-back interviews that all felt like they were aiming for very high bar questions. The format was also a little off for me—each call usually had two people, with one actively speaking while the other just sat muted and watched.

The topics lined up with system-level depth and fundamentals: one round was system design, another focused on algorithms and data structures, and the third was behavioral. I remember feeling that they asked questions at a level people associate with top-tier companies, even though the compensation

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?

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