Whalar Group Backend Engineer Interview Questions

The questions to prepare for a Whalar Group Backend Engineer interview. Questions from real interview reports rank first. Updated daily.

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System DesignStart here. 10 questions · ~80 min

Tests your understanding of DDD concepts and core SOLID principles for backend architecture.

Queues and Search SystemsMedium

Tests your practical knowledge of messaging and search technologies used in production backends.

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Coding4 questions · ~32 min

Tests your depth of knowledge in version control, design patterns, and SOLID correctness rules.

Decision Rationale and ImprovementMedium

Assesses your ability to justify technical choices and iterate based on feedback.

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Automated Testing StrategyMedium

Assesses your testing strategy and how you ensure correctness with automated techniques.

automated testing

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Execution4 questions · ~32 min

Choosing Between ArchitecturesMedium

Assesses how you make pragmatic architecture decisions under constraints and uncertainty.

Decision MakingTrade-offstechnical architecture

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Code Quality and TDDMedium

Assesses your engineering practices for maintainability, correctness, and test coverage.

best practicescode quality

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Behavioral & Leadership9 questions · ~72 min

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