SIXT Data Scientist Interview Questions
The questions to prepare for a SIXT Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Define a success metric for a new feature that captures real user value, not just raw usage.
SIXTExplain how to train and evaluate models on highly imbalanced fraud data without relying on misleading accuracy.
SIXTInvestigate why a key KPI moved the wrong way after a product change and separate signal from noise.
SIXTExplain common online experimentation pitfalls and how to design, analyze, and decide in ways that avoid false wins.
SIXTExplain statistical significance in experiments and how p-values and confidence intervals guide interpretation.
SIXTTests your understanding of window functions for time-based analytics and trend extraction.
SIXTTests NLP fundamentals and understanding of word embedding training architectures.
SIXTTests system design skills for ranking and experimentation in a consumer mobility product.
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Use joins, CTEs, and aggregations to find the weakest step in an onboarding funnel and estimate lost conversions.
Atlassian
RevolutCompute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.
Meta
Spotify
Meta ITCalculate each customer's cumulative transaction amount over time using a CTE and window function.
Banco Santander
Anz
Bank Of Tokyo-Mitsubishi UFJ