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Prep plan
Updated weekly · Last refresh Aug 30

Cubic Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 18 questions · ~153 min
2
Execution8 questions · ~68 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 AssessmentCubic
Embedded C++ in Resource ConstraintsHard

Tests your ability to reason about performance, memory, and reliability tradeoffs in embedded C++ systems.

Embedded Systemsresource managementc++Cubic
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3
System Design7 questions · ~60 min
Data Integrity During Network FailuresHard

Tests your system design skills for maintaining correctness and integrity under network partitions or outages.

system designdata integrityCubic
Real-Time Data Stream ArchitectureHard

Tests your system design approach for low-latency streaming, reliability, and scalability.

data streamsarchitectureCubic
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4
SQL & Data Manipulation5 questions + 3 drills · ~73 min
Optimizing a Slow Database QueryMedium

Tests your ability to diagnose performance issues and apply effective database optimization techniques.

performancequery optimizationsqlCubic
Transit Ticketing Schema DesignMedium

Tests your ability to model data and design schemas for high-throughput, real-world transit workloads at Cubic.

schema designdatabase designCubic
Find Duplicates With SQLEasy
Practice
Practice drill

Find repeated non-null customer emails in Nagarro onboarding data using GROUP BY and HAVING.

Data WranglingGroup ByAggregationsInformaticaHHAeXchangeChetu
SQL Queries for RankingMedium
Practice
Practice drill

Rank active HSBC employees by division and return every employee tied for the highest or second-highest salary.

javasqlHsbc
SQL Sort QueryEasy
Practice
Practice drill

Sort Thales Ground Master radar readings by signal strength in ascending order, placing unknown values last.

SortingsqlThales
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5
Security & Infrastructure7 questions · ~60 min
Security and Infrastructure TestHard

Evaluates ability to recall and apply technical concepts under test conditions.

circuit designCubic
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6
Behavioral & Leadership5 questions · ~43 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.