Top 32
Prep plan
Updated weekly · Last refresh Aug 30

North Software Engineer Interview Questions

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

32questions
~5htotal time
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1
CodingStart here. 5 questions · ~44 min
Average Cloud Spend FunctionEasy
Practice

Calculate average daily North Cloud Spend over an inclusive period, treating days without records as zero spend.

MathArraysSortingNorth
Implementing Application CachingMedium

Tests ability to design and implement caching with correct invalidation and performance trade-offs.

Hash TablesLinked ListsHeapNorth
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2
System Design4 questions · ~35 min
Design a User Data Intelligence ServiceHard

Design an ML powered user data service that stores, retrieves, and ranks user information for downstream product and platform use cases.

InfrastructureFeature StoreModel ServingNorth
Production ML Model ScalingHard

Tests MLOps and production scaling strategies for latency, throughput, and reliability.

InfrastructureFeature DriftModel ServingNorth
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3
SQL & Data Manipulation3 questions + 3 drills · ~56 min
4
Behavioral & Leadership16 questions · ~140 min
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5
More topics4 questions · ~35 min
AWS Cloud ExperienceEasy

Tests practical AWS experience and ability to apply cloud concepts to software delivery.

InfrastructureToolsNorth
Trade-Offs in Multi-Service ArchitectureHard

Tests architectural reasoning around coupling, reliability, cost, and operational complexity.

Trade-offsRisk AssessmentScope ManagementNorth
Improving Existing App PerformanceMedium

Tests performance troubleshooting workflow including measurement, bottleneck identification, and validation.

Trade-offsSuccess CriteriaRisk AssessmentNorth
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The finish line: interview-readyComplete all 32 questions plus 3 hands-on drills to finish this plan.