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Updated weekly · Last refresh Oct 17

Quest Analytics Software Engineer Interview Questions

The questions to prepare for a Quest Analytics Software Engineer interview. Questions from real interview reports rank first. Updated daily.

19questions
~3htotal time
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1
CodingStart here. 6 questions · ~55 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysQuest Analytics
Optimizing a Slow ApplicationMedium

Tests performance troubleshooting, measurement, and targeted optimization strategies.

Hash TablesArraysSortingQuest Analytics
Binary Search Implementation and ComplexityEasy

Explain how binary search works on a sorted array and why its time complexity is O(log n).

MathArraysSearchingQuest Analytics
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2
Execution3 questions · ~28 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 ManagementQuest Analytics
Prioritize Work Under Tight DeadlinesEasy

Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.

Trade-offsRoadmappingScope ManagementQuest Analytics
Microservices Architecture DesignHard

Tests your ability to design scalable microservices with clear boundaries, communication patterns, and operational concerns.

Trade-offsRoadmappingScope ManagementQuest Analytics

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3
Behavioral & Leadership8 questions · ~74 min
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4
More topics2 questions · ~18 min
SQL Performance on Large DataMedium

Assesses SQL optimization skills and ability to improve performance with large data.

performanceQuest Analytics
Secure User Data ManagementHard

Tests your system design skills for secure, privacy-preserving data management in a regulated healthcare context.

Feature StoreFeature DriftModel ServingQuest Analytics
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Window Functions Latest and Running TotalMedium
Practice
Practice drill

Return each user's latest record with a deterministic per-user running total.

Window FunctionsData ManipulationRankingQuest Analytics
Database Indexing Trade-offsHard
Practice
Practice drill

Compare PostgreSQL index strategies by read latency, write overhead, storage size, and an overall cost score.

Trade-offsdatabase optimizationdatabase managementHHostinger InternationalPPorch GroupCapital Technology Group
Database Trade-Offs for DetectionHard
Practice
Practice drill

Compare financial crime detection architectures using joined run metrics, aggregates, NULL handling, and ordered performance results.

fraud detectionTrade-offsdistributed databasesDeloitte
The finish line: interview-readyComplete all 19 questions plus 3 hands-on drills to finish this plan.