Top 20
Prep plan
Updated weekly · Last refresh Oct 17

Stubhub Data Engineer Interview Questions

The questions to prepare for a Stubhub Data Engineer interview. Questions from real interview reports rank first. Updated daily.

20questions
~3htotal time
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1
CodingStart here. 4 questions · ~41 min
Merge Overlapping IntervalsMedium
Practice

Sort intervals by start time, then merge overlapping ranges into a minimal non-overlapping list.

ArraysSearchingSortingStubhub
Peak Buying Window BucketingMedium

Tests your ability to process streaming data and derive time-bucketed peak metrics.

Stream ProcessingStubhub
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2
SQL & Data Manipulation6 questions + 1 drill · ~71 min
SQL Nth Highest Salary QueryEasy
Practice

Find the third-highest distinct employee salary using PostgreSQL DISTINCT, ORDER BY, LIMIT, and OFFSET.

sql queryRankingsalaryStubhub
Monitor Current Database TransactionsMedium

Assesses your approach to observing live database activity and diagnosing issues.

transactionsStubhub
Top Events by CategoryMedium
Practice

Rank StubHub events by tickets sold within each ticket category for the previous month.

Window FunctionsDate FunctionsRankingStubhub
Top 5 Categories by MonthMedium
Practice
Practice drill

Rank the top five product categories per month using multi-level CTEs, joins, aggregation, and ROW_NUMBER().

Window FunctionsRankingGroup ByCitizantStubhubFsastore
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3
Pipelines3 questions · ~30 min
Design Real-Time Feature PipelineHard

Design a real-time feature pipeline processing 120K events/sec into low-latency feature tables and warehouse models with replay and quality controls.

InfrastructureStream ProcessingOrchestrationStubhub
Reconcile Multi-Gateway PaymentsHard

Tests pipeline design for data reconciliation, idempotency, and discrepancy detection across sources.

Data QualityETLReconciliationStubhub
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4
Behavioral & Leadership6 questions · ~61 min
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5
More topics1 question · ~10 min
Data Application Bottleneck ReviewMedium

Tests your ability to explain system architecture, identify bottlenecks, and drive performance improvements.

impactsolution designtechnical experienceStubhub
The finish line: interview-readyComplete all 20 questions plus 1 hands-on drill to finish this plan.