Braze Data Scientist Interview Questions
The questions to prepare for a Braze Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Tests your understanding of random forests and feature importance methods.
BrazeTests query optimization and correct latency metric computation at scale.
BrazeCalculate daily campaign conversion rates with conditional aggregation, a CTE, and a campaign dimension join.
NianticBraze
OutschoolRank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
WaymoUse CTEs, joins, and monthly aggregation to measure cohort activity trends and classify engagement over time.
Assess a churn model with 96.8% accuracy but weak minority-class recall, and explain how you would evaluate it under severe class imbalance.
BrazeDiagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.
BrazeTests your ability to adapt experimentation methods to correlated user behavior.
BrazeTests statistical testing choices and how you validate campaign performance changes.
BrazeTests large-scale real-time system design for message timing optimization.
BrazeTests structured debugging of ML-driven personalization performance in production.
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