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Updated weekly · Last refresh Aug 30

Coherent Software Engineer Interview Questions

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

38questions
~6htotal time
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1
CodingStart here. 9 questions · ~79 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysCoherent
Stack vs Queue DifferencesEasy

Compare stack and queue behavior, access order, operations, and common use cases in linear data structures.

StackQueueArraysCoherent
Implement Binary SearchEasy

Tests algorithm implementation skills and correctness reasoning.

RecursionArraysSearchingCoherent
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2
Execution5 questions · ~44 min
Recover a Slipping Engineering ProjectMedium

Assess and recover an engineering project that is behind schedule while managing scope, risk, and stakeholder expectations.

RoadmappingRisk AssessmentScope ManagementCoherent
Estimate Effort for FeaturesMedium

Tests your planning rigor, decomposition skills, and ability to manage uncertainty in delivery.

Trade-offsRoadmappingScope ManagementCoherent
Improve an Existing ApplicationMedium

Tests your approach to assessing impact, reducing risk, and implementing iterative improvements.

Trade-offsSuccess CriteriaScope ManagementCoherent
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3
Behavioral & Leadership22 questions · ~194 min
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4
More topics2 questions · ~18 min
Optimize a Slow SQL QueryMedium

Tests your performance troubleshooting skills for dv01-scale reporting queries.

JoinsData WranglingCTEsCoherent
Explain Schematics FunctionalityMedium

Assesses ability to interpret electronics schematics and explain system behavior.

Coherent
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Optimize Dashboard Revenue Join QueryHard
Practice
Practice drill

Optimize a multi-join dashboard query using CTEs and window functions to reduce repeated work.

JoinsData WranglingCTEsApptio
Resolve Conflicting Customer AttributesMedium
Practice
Practice drill

Use joins, CTEs, and row ranking to resolve conflicting customer profile values across ACME House systems.

JoinsData WranglingQualityRamsey SolutionsACME House
Reconcile Conflicting Invoice TotalsMedium
Practice
Practice drill

Reconcile billing and ERP invoice totals using joins, a CTE for latest snapshots, and CASE-based discrepancy classification.

JoinsData WranglingQualityLiterati
The finish line: interview-readyComplete all 38 questions plus 3 hands-on drills to finish this plan.