Top 50
Prep plan
Updated weekly · Last refresh Aug 30

Maersk Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 15 questions · ~128 min
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsMaersk
Abstract Classes vs InterfacesEasy

Compare Java abstract classes and interfaces, including inheritance rules, shared behavior, and when each is the better design choice.

javaabstractionoopMaersk
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2
Execution6 questions · ~51 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 AssessmentMaersk
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3
SQL & Data Manipulation8 questions + 3 drills · ~98 min
SQL Union Types and Query OptimizationHard
Recently asked

Tests deep SQL knowledge and query optimization techniques for large-scale transactional workloads.

JoinsperformanceUnionsMaersk
Lazy vs Eager Loading ImpactMedium
Recently asked

Tests ORM loading strategy knowledge and performance implications for database access patterns.

null handlingperformancedata integrityMaersk
SQL Subquery for Top ResultsMedium
Practice
Practice drill

Use a subquery to find the two Maersk ports handling the most completed TEU in January 2026.

sqlMaersk
Top Models Per Asset ClassEasy
Practice
Practice drill

Rank Balyasny research models by average return within each asset class using DENSE_RANK and aggregation.

performancesqlBalyasny Asset Management
Rank Top Service CategoriesEasy
Practice
Practice drill

Use RANK() and grouped revenue to find ServiceTitan's top three service categories in each region.

RankingperformancesqlServiceTitan
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4
Pipelines5 questions · ~43 min
Kafka Ordering and Partition Trade-offsMedium
Recently asked

Tests understanding of Kafka ordering semantics and system design trade-offs for scaling throughput.

Stream ProcessingperformanceDependenciesMaersk
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5
System Design9 questions · ~77 min
Design Robust Project ArchitectureHard

Assesses your ability to design for reliability, maintainability, and failure handling.

architectureMaersk
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6
Security & Infrastructure3 questions · ~26 min
Multipart Storage and Performance Root CauseHard

Evaluates your backend implementation skills and performance troubleshooting approach.

performancedata storageMaersk
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7
More topics4 questions · ~34 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.