Dissect a failure and corrective actions
Company: Capital One
Role: Data Scientist
Category: Behavioral & Leadership
Difficulty: Medium
Interview Round: Onsite
Describe a recent failure. Explain: a) root causes (your decisions vs. external factors) using a 5 Whys or fault-tree; b) early warning signals you missed; c) stakeholders impacted and the exact quantitative/financial impact; d) the postmortem you wrote (structure, owners, timelines); e) the specific process or control you implemented to prevent recurrence and how you verified its effectiveness.
Quick Answer: This question evaluates a candidate's competency in root-cause failure analysis, accountability, stakeholder impact quantification, postmortem documentation, and the design and verification of corrective controls relevant to a Data Scientist role.
