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Aubay Spain Backend Engineer Interview Questions

The questions to prepare for a Aubay Spain Backend Engineer interview. Questions from real interview reports rank first. Updated weekly.

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Legacy Refactor to Clean CodeHard

Evaluates your refactoring skills and ability to improve code quality without breaking behavior.

refactoringclean codelegacy systems
Aubay Spain
High-Concurrency Performance Fix
Hard

Tests your ability to identify bottlenecks and optimize backend code for concurrency.

performanceconcurrency
Aubay Spain
Unit Testing for Maintainability
Medium

Evaluates your testing strategy and ability to keep backend code reliable and maintainable.

best practicescode maintainability
Aubay Spain
Scalable API Framework ChoicesMedium

Evaluates your practical framework selection criteria for building backend services.

scalability
Aubay Spain
Microservices vs Monolith Decision
Medium

Assesses your architectural decision-making and understanding of operational tradeoffs.

microservices
Aubay Spain
REST vs GraphQL in Microservices
Medium

Tests your system design tradeoff knowledge for API styles in distributed architectures.

restmicroservices
Aubay Spain

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Database Optimization Strategies
Medium

Evaluates your approach to improving backend data performance and query efficiency.

database optimizationindexing
Aubay Spain
API Security Best Practices
Medium

Tests your knowledge of API security controls and vulnerability prevention practices.

best practicesvulnerabilitiesapi security
Aubay Spain