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Updated weekly · Last refresh Aug 30

GameStop Software Engineer Interview Questions

The questions to prepare for a GameStop Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

41questions
~8htotal time
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1
CodingStart here. 12 questions · ~133 min
Maximum Subarray SumEasy
Practice

Compute the largest sum of any contiguous subarray using Kadane's algorithm in O(n) time.

Dynamic ProgrammingArraysGreedyGameStop
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysGameStop
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2
Pipelines3 questions · ~33 min
Backfilling Missing Pipeline DataMedium

Approach for safely backfilling missing data while preserving correctness, idempotency, and data quality.

ETLQualityGameStop
Batch vs Streaming Data ProcessingEasy

Compare batch and streaming data processing, including when each fits best in a pipeline.

Stream ProcessingETLBatch ProcessingGameStop
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3
Execution9 questions · ~99 min
Scale Web App for TrafficMedium

Tests your ability to plan scalability, performance, and operational readiness for GameStop web systems.

Launch PlanningTrade-offsRisk AssessmentGameStop
Estimate Capacity for Web FeatureHard

Tests capacity planning and estimation techniques for web features at GameStop scale.

Trade-offsSuccess CriteriaRoadmappingGameStop
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4
Behavioral & Leadership15 questions · ~166 min
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5
More topics2 questions · ~22 min
SQL and Function-Based LogicMedium

Assesses practical SQL and data transformation skills using functions.

functionssqlcssGameStop
Design a Social PlatformHard

Assesses system design skills for high-throughput social features.

scalabilityarchitectureGameStop
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Handle Missing Financial Input ValuesMedium
Practice
Practice drill

Use joins, CTEs, and CASE logic to flag and fill missing financial fields for Qlik planning records.

Data WranglingETLQualityQlik
Contact Center Agent Performance MetricsHard
Practice
Practice drill

Compute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.

ETLAggregationsData ModelingADP
The finish line: interview-readyComplete all 41 questions plus 3 hands-on drills to finish this plan.