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Updated weekly · Last refresh Aug 25

Capital Technology Group Software Engineer Interview Questions

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

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1
CodingStart here. 3 questions · ~24 min
JavaScript Data TransformationMedium

Tests your practical coding ability to implement correct data transformation logic in JavaScript.

javascriptfunctionsCapital Technology Group
Real-World Coding FocusMedium

Evaluates ability to transfer algorithmic thinking to real-world software constraints.

leetcodeAlgorithmsCapital Technology Group
JavaScript State ManagementMedium

Assesses practical experience managing state in JavaScript applications.

javajavascriptCapital Technology Group
2
Behavioral & Leadership6 questions · ~48 min
Resolving a High-Stakes Merge ConflictEasy

Tests conflict resolution and ownership in a real delivery incident involving Git branching, merge complexity, and cross-team communication.

branching strategymerge conflictsgitCapital Technology Group
Owning a Production Debugging IncidentMedium

Tests ownership during a production incident, including structured debugging, stakeholder communication, and learning from high-pressure technical problems.

experienceProblem SolvingDebuggingCapital Technology Group
Improving Team Git PracticesEasy

Tests ownership and communication through a concrete example of improving team collaboration with version control practices.

Stakeholder ManagementCommunicationOwnershipCapital Technology Group
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3
More topics2 questions · ~16 min
Avoiding SQL PitfallsMedium

Tests your ability to identify and prevent performance, correctness, and scalability issues in SQL for high-volume systems.

best practicesperformancesqlCapital Technology Group
Avoiding SQL PitfallsMedium

Evaluates understanding of SQL join semantics and correctness in data queries.

database conceptsCapital Technology Group

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top Users by Recent Transaction VolumeMedium
Practice
Practice drill

Find the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.

Data Analysisquery optimizationsqlCurrent (NY)RevolutTTier 1 Bank
Weekly Service KPI by TeamMedium
Practice
Practice drill

Analyze weekly service delivery performance by team using joins, a CTE, date aggregation, and KPI calculations.

KPIJoinssqlDeloitteReputation
Identify Funnel Bottlenecks in OnboardingMedium
Practice
Practice drill

Use joins, CTEs, and aggregations to find the weakest step in an onboarding funnel and estimate lost conversions.

Funnel AnalysissqlDiagnosisAtlassianRevolut
The finish line: interview-readyComplete all 11 questions plus 3 hands-on drills to finish this plan.