Capital One interview questions

Design a robust fraud detection system

Companies: Capital One

Feature Engineering · ML System Design

Design a wire transfer system

Money movement across a transactional boundary: balanced ledger entries, retry-safe transfers, uncertain bank responses, and reconciliation.

Companies: Capital One, Google, Revolut

double-entry-ledger · idempotency · reconciliation · state-machines

Design ML deployment with GitHub and Jenkins

Companies: Capital One

Design robber detection from surveillance video

Companies: Capital One

Computer Vision · ML System Design

Detect Anomalous Trip Behavior

Companies: Capital One

Diagnose Multicollinearity in Flight Delay Prediction Model

Companies: Capital One

Feature Engineering · Regression & Statistical Modeling

Evaluate and monitor a credit risk model

Companies: Capital One

Model Evaluation · Model Monitoring & Drift

Evaluate Models for Credit-Risk Scoring at Capital One

Companies: Capital One

Evaluate OutlierHandler Class for Code Quality and Testing

Companies: Capital One

Evaluate Python Class Design in Data Pipeline

Companies: Capital One

Explain MSE vs MAE, AUC, and imbalance handling

Companies: Capital One

How would you design delay and watchlist models?

Companies: Capital One

Supervised Learning

Identify Risks and Improve Imputation Class Implementations

Companies: Capital One

Model flight delays with EDA and explanation

Companies: Capital One

Feature Engineering · Supervised Learning

Predict Tip Percentage

Companies: Capital One

Present and defend your data challenge end-to-end

Companies: Capital One

Resolve a Mismatch Between Regression and Classification Metrics

Companies: Capital One