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Updated weekly · Last refresh Aug 30

Educational Testing Service (Ets) Software Engineer Interview Questions

The questions to prepare for a Educational Testing Service (Ets) Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

45questions
~6htotal time
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1
CodingStart here. 12 questions · ~99 min
Implement Binary SearchEasy

Tests algorithm implementation skills and correctness reasoning.

RecursionArraysSearchingEducational Testing Service (Ets)
Java vs C# DifferencesEasy

Tests comparative understanding of language/runtime differences relevant to engineering work.

RecursionArraysStringsEducational Testing Service (Ets)
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2
Execution7 questions · ~58 min
Your Strengths and WeaknessesEasy

Tests self-awareness and how you position yourself for success in an Account Executive role at Aqr.

Trade-offsSuccess CriteriaRisk AssessmentEducational Testing Service (Ets)
Handling a Critical Production BugEasy

Describe how you handled discovery, escalation, triage, and containment of a critical bug under release pressure.

Trade-offsSuccess CriteriaRisk AssessmentEducational Testing Service (Ets)
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3
Pipelines4 questions · ~33 min
Monolith vs MicroservicesMedium

Tests understanding of architectural tradeoffs and when each approach fits.

InfrastructureDependenciesData ModelingEducational Testing Service (Ets)
Database Design for High TrafficMedium

Tests your approach to data modeling, performance, and reliability under heavy load.

InfrastructureData ModelingQualityEducational Testing Service (Ets)
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4
Behavioral & Leadership18 questions · ~148 min
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5
More topics4 questions · ~33 min
Multithreading in PracticeMedium

Tests understanding and practical application of concurrency concepts in production software.

InfrastructureQueueGraphsEducational Testing Service (Ets)
Scalable Assessment Platform DesignHard

Tests advanced system design for secure, reliable, and scalable assessment workloads.

Feature StoreRetrievalModel ServingEducational Testing Service (Ets)
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The finish line: interview-readyComplete all 45 questions to finish this plan.