Onsite

HR Call Through a Full Power Day

Capital OneData Scientist · Onsite · Jan 2026

Round 1: HR Call Asked about "why this company," and otherwise it was just some basic logistics confirmation. Round 2: Data Challenge This was done on CodeSignal — about 4 questions total, using numpy, pandas, sklearn, etc. It was split into a few parts: data cleaning, feature selection, and model building. Finishing the data-processing part within the time limit (90 min) was fairly difficult; yo…

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