Airwallex Pty Data Scientist Interview Questions
The questions to prepare for a Airwallex Pty Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Find the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.
Airwallex PtyFind failed transactions for one merchant in the last 24 hours using date filtering and joins.
Airwallex PtyAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
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Benjamin MooreExplain why F1 is more informative than accuracy for a fraud model with 97.2% accuracy but only 18% recall on a 1% positive class.
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Segment customers into actionable groups using clustering and engineered behavioral features.
Airwallex PtyExplain what a p-value means in hypothesis testing and how it relates to statistical significance.
Airwallex PtyEvaluate whether a product has true product market fit before increasing spend.
Airwallex PtyDefine overall and step-level funnel conversion for an e-commerce checkout flow and explain how to diagnose where drop-off occurs.
Airwallex PtyApproach for maintaining data quality and integrity across ETL pipelines.
Airwallex PtyTests experiment evaluation, traffic sizing, and quasi-experimental comparison when A/B is skipped.
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