Interview Experiences

Real candidates, real loops: every round, what was asked, and how it ended.

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3 stories

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BCGForward Deploy EngineerSenior+
Aug 2026

An Unweighted Graph Turned Weighted

A friend referred me for a Senior Forward Deploy Engineer role. The interviewer was very nice. The first 30 minutes were a deep dive into my projects, with many questions related to AI. The last 30 minutes were a live coding problem: find the shortest path in an unweighted graph represented by an adjacency matrix. Given the adjacency matrix of a connected, undirected graph with no loops or multip…

RejectedTechnical Screen0
BCGData Scientist
Reported Jul 2026

BCG Data Scientist Interview Experience: repeated technical and business cases

After an HR screen, I completed an online coding and assessment stage before a series of technical rounds with live case work. The pattern kept returning to coding checks and data-science cases rather than general consulting questions alone. The final stretch combined multiple technical cases with PEI and MBB-style business-case thinking applied to data science. Each interviewer appeared to test…

HR Screen0
BCGConsultant
Reported Jul 2026

BCG Consultant Interview Experience: Switching from fit to interviewee-led cases

After recruiter outreach, I went through a bridge stage that led to a final-round invitation. The final stretch included an online technical assessment and case interviews: first one case, then two cases back to back. Behavioral questions filled the first half, while the case discussion took over in the second. The process was more demanding than it looked. I had to switch quickly from fit questi…

Online Assessment0

What are interview experiences?

An interview experience is a candidate's own account of a hiring loop — not a question bank entry. It tells you the shape of the process: how many rounds there were, what each round actually tested, how long the gaps between them ran, and what the recruiter said at the end. That context is the part a question list cannot give you.

How to read them

Weight recent write-ups more heavily — interview loops change, often within a year. Read several for the same company and role rather than one: a single account tells you what one interviewer asked, while five tell you what the bar is. Note the outcome badge too, since a rejection write-up usually explains the gap far more precisely than an offer one.

Share your own

Every published experience earns 50 XP, and each of the first 3 likes it receives in a day earns you 10 XP more. Likes must come from established accounts; like-for-like swaps and likes from your own second account are not paid. Write it while the details are fresh — the round order, the exact prompts, and how much time you were given are what the next reader needs.

Share your experience to earn XP