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Updated weekly · Last refresh Oct 17

Arch Capital Software Engineer Interview Questions

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

34questions
~5htotal time
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1
CodingStart here. 10 questions · ~92 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysArch Capital
Documenting Code Without IDEsMedium

Evaluates your approach to producing clear, maintainable documentation from existing code.

documentationArch Capital
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2
Execution10 questions · ~92 min
Secure a Web Application RolloutMedium

Explain how you would secure a web application against common vulnerabilities while balancing delivery speed, risk, and release controls.

Trade-offsRisk AssessmentScope ManagementArch Capital
Prioritizing Across Scrum TeamsHard

Tests conflict resolution and prioritization across multiple Agile teams.

Conflict ResolutionarchitectureArch Capital
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3
Behavioral & Leadership10 questions · ~92 min
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4
More topics4 questions · ~37 min
Social Media System DesignHard

Tests your ability to make architecture trade-offs and design scalable social media systems.

system designsocial mediaArch Capital
WAN Performance FundamentalsMedium

Evaluates your understanding of network performance concepts relevant to distributed systems.

NetworkingArch Capital
Database Query OptimizationMedium

Tests your ability to improve performance using indexing, query plans, and SQL tuning.

JoinsData WranglingAggregationsArch Capital
Microservices, TypeScript, and OpenAPIMedium

Assesses your practical experience with microservices and API specification workflows.

typescriptmicroservicesArch Capital
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Database Indexing Trade-OffsHard
Practice
Practice drill

Analyze a food-order total query and explain index trade-offs for filtering, joins, aggregation, and write overhead.

Trade-offsdatabase optimizationJoinsHelloFresh
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 34 questions plus 3 hands-on drills to finish this plan.