Poshmark Data Engineer Interview Questions
The questions to prepare for a Poshmark Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Assesses your knowledge of storage systems and pipeline design tradeoffs.
PoshmarkEvaluates your understanding of data workloads and modeling choices.
PoshmarkEvaluates your ability to design and operationalize production-grade data pipelines.
PoshmarkAssesses your understanding of document modeling and core MongoDB querying concepts.
PoshmarkTests your ability to write correct SQL aggregations.
PoshmarkCalculate month-1 retention for January vs February signup cohorts using joins, date filtering, and aggregation.
Trideum
Zulily
Johns Hopkins University Applied Physics LaboratoryCompute daily distinct active users and a 7-day rolling average using a CTE and window function.
Activision
Stripe
Pyramid ConsultingAggregate likes, shares, comments, and impressions by day to compute daily engagement rate with GROUP BY.
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Evaluates your understanding of core OOP concepts and practical application.
PoshmarkEvaluates your algorithmic thinking and space-time optimization for array problems.
PoshmarkTests your ability to reason about Spark-based transformations and execution.
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