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…

Shared by a candidate · reported Jul 2026. Interview formats change; use it as a guide, not a script.