Patreon Data Engineer Interview Questions
The questions to prepare for a Patreon Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Implement a per-user sliding window rate limiter that accepts or rejects requests in O(1) amortized time.
PatreonFind two array values that sum to a target using a hash map in O(n) time.
PatreonDiscuss integrating a third party API into a pipeline and handling rate limits without duplicating or losing data.
PatreonApproach for handling schema changes and data quality checks in a high-volume data lake pipeline.
PatreonKey security considerations for a cloud data pipeline, from ingestion through storage, orchestration, and monitoring.
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Tests understanding of join algorithms and query planner decision-making.
PatreonTests query diagnosis, performance tuning, and scalability for Patreon-scale analytics.
PatreonTests SQL optimization strategies for skewed joins and frequently changing dimensions.
PatreonUse joins, a CTE, and aggregation to compute 30-day conversion rate by acquisition channel and customer segment.
Motive
HelloFresh
Bartech StaffingUse LEFT JOINs and aggregation to summarize published Patreon education courses by active professor and department.
PatreonAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
Total Wine & More
Inc.
Benjamin Moore