Boston Consulting Group Data Scientist interview experience

No offer

Hard

Neutral

Boston, MAPosted Jan 2026 · Candidate report, summarized by Dataford

After applying, I went through a fairly straightforward set of steps that still had one standout challenge.

There was an intermediate Python test where I had to handle real-world data cleaning tasks independently, without any external help during the exercise.

The test emphasized messy inputs: I ran into missing values, edge cases, and the kind of troubleshooting that doesn’t have a single obvious “textbook” fix. I had to make decisions quickly about how to interpret the data quality issues and what to do next.

Even though it wasn’t a long process in terms of round count, it felt demanding because it required sustained attention on details.

I didn’t end up with an offer. The reflection I kept

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?

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