Top 17
Prep plan
Updated weekly · Last refresh Aug 30

Core One Software Engineer Interview Questions

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

17questions
~3htotal time
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1
CodingStart here. 5 questions · ~46 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysCore One
Procedural vs Object-OrientedEasy

Tests core programming concepts and understanding of OOP versus procedural paradigms.

ArraysStringsCore One
Search Algorithm ImplementationMedium

Tests your algorithm selection, complexity awareness, and practical implementation details.

Hash TablesArraysSearchingCore One
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2
Execution5 questions · ~46 min
Design Feature for Existing ApplicationMedium

Explain how you would design a new feature in an existing application while managing scope, trade-offs, and success criteria.

Trade-offsRoadmappingScope ManagementCore One
Design a Scalable ApplicationEasy

Explain how you would design a scalable application, including trade-offs, risks, stakeholder needs, and how you define success.

Trade-offsRisk AssessmentScope ManagementCore One
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 ManagementCore One
Optimizing Slow ApplicationMedium

Tests your approach to performance profiling, bottleneck analysis, and optimization tradeoffs.

Trade-offsSuccess CriteriaRisk AssessmentCore One
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3
Behavioral & Leadership7 questions · ~64 min
Resolving Conflict With a ColleagueEasy

Tests conflict resolution in a sales context, including communication, influence, and preserving internal alignment around an account.

Conflict ResolutionCommunicationDealing With AmbiguityCore One
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The finish line: interview-readyComplete all 17 questions to finish this plan.