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Updated weekly · Last refresh Aug 30

North Highland Software Engineer Interview Questions

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

22questions
~3htotal time
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1
CodingStart here. 4 questions · ~36 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysNorth Highland
Implement Binary SearchEasy

Tests algorithm implementation skills and correctness reasoning.

RecursionArraysSearchingNorth Highland
Time Complexity and O(n log n)Easy

Tests your understanding of algorithmic complexity and your ability to explain it with concrete examples.

ArraysSortingGreedyNorth Highland
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2
Execution6 questions · ~54 min
Choose Monolith or MicroservicesMedium

Evaluate the execution trade-offs between monoliths and microservices and explain how you would choose the right approach.

Trade-offsRisk AssessmentScope ManagementNorth Highland
Architecting a Mobile Messaging ServiceHard

Tests your ability to design reliable, scalable messaging with appropriate APIs, storage, and delivery semantics.

Launch PlanningTrade-offsRoadmappingNorth Highland
Optimizing a Slow ApplicationMedium

Tests your performance troubleshooting skills across profiling, bottlenecks, and iterative improvements.

Trade-offsRisk AssessmentNorth Highland
Scaling Web Apps to MillionsHard

Tests your system scaling strategy across architecture, performance, reliability, and operational concerns.

Launch PlanningTrade-offsRisk AssessmentNorth Highland
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3
Behavioral & Leadership12 questions · ~107 min
Resolving a High-Stakes Technical ProblemEasy

Tests ownership and judgment in solving a difficult technical problem under ambiguity, including prioritization, communication, and measurable results.

OwnershipDealing With AmbiguityNorth Highland
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The finish line: interview-readyComplete all 22 questions to finish this plan.