T-rex Interview Questions
The questions to prepare for T-rex interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Explain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.
T-rexIdentify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.
T-rexExplain how you approach container orchestration, scaling, load balancing, and high availability for a production platform.
T-rexDiscuss how you use APIs in data pipelines, including ingestion patterns, validation, and operational monitoring.
T-rexTests your ability to choose effective visualization tools for clear stakeholder communication.
T-rexTests your SQL proficiency for building reliable, reusable datasets from operational sources.
T-rexTests your MLOps practices for monitoring, drift detection, and maintaining model performance.
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Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.
Total Wine & More
Inc.
Benjamin MooreUse joins, CTEs, and CASE logic to flag and fill missing financial fields for Qlik planning records.
QlikClean raw status text with TRIM and LOWER, filter unusable rows, and count usable events by cleaned status.
Databricks