Poshmark Data Engineer Interview Questions
The questions to prepare for a Poshmark Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Tests your understanding of linked list operations and pointer-based logic.
PoshmarkEvaluates your understanding of core OOP concepts and practical application.
PoshmarkEvaluates your algorithmic thinking and space-time optimization for array problems.
PoshmarkAssesses your understanding of document modeling and core MongoDB querying concepts.
PoshmarkTests your ability to write correct SQL aggregations.
PoshmarkTests your ability to write correct, efficient SQL for real data engineering tasks.
PoshmarkCalculate month-1 retention for January vs February signup cohorts using joins, date filtering, and aggregation.
Paddle
Hotstar
InstacartCompute daily distinct active users and a 7-day rolling average using a CTE and window function.
Activision
Pyramid Consulting
MetaAggregate likes, shares, comments, and impressions by day to compute daily engagement rate with GROUP BY.
PoshmarkSign up to see every question
Create a free account to unlock this list and practice real interview questions.
Assesses your knowledge of storage systems and pipeline design tradeoffs.
PoshmarkEvaluates your understanding of data workloads and modeling choices.
Poshmark