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Top 14
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Updated weekly · Last refresh Oct 15
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ABOUT YOU Backend Engineer Interview Questions

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

14questions
~2htotal time
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1
CodingStart here. 3 questions · ~25 min
Efficient, Readable RefactoringMedium
Recently asked

Tests your ability to refactor backend code for performance while maintaining clarity.

refactoringAABOUT YOU
Clear Technical Trade-offsMedium
Recently asked

Evaluates how clearly you communicate technical decisions and their impact.

best practicescode qualityAABOUT YOU
Refactor Laravel Code SnippetMedium
Recently asked

Evaluates your ability to improve backend code quality and integration within Laravel.

AABOUT YOU
2
Behavioral & Leadership7 questions · ~58 min
Handling Tough Code Review FeedbackMedium
Recently asked

Tests how you receive peer feedback in code reviews, respond constructively, and turn critique into better code and stronger team habits.

code reviewsCommunicationfeedbackAABOUT YOU
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3
More topics4 questions · ~33 min
Importing a Very Large CSVHard
Recently asked

Assesses your ability to design reliable, scalable data ingestion for large backend workloads.

AABOUT YOU
Debugging Performance BottlenecksMedium
Recently asked

Assesses your approach to diagnosing and fixing backend performance issues across architectures.

DebuggingarchitectureAABOUT YOU
Traffic Spike During Major SaleHard
Recently asked

Evaluates your system design skills for scalability, reliability, and performance under load.

system designscalabilityAABOUT YOU
Optimizing High-Traffic QueriesMedium
Recently asked

Assesses query optimization skills and performance reasoning for production systems.

Performance Tuningdatabase optimizationAABOUT YOU

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Calculate 30-Day User RetentionHard
Practice
Practice drill

Use CTEs, joins, and date filtering to calculate 30-day retention by signup cohort from login and feature usage data.

Window FunctionsDate FunctionsAggregationsCurefitIndeedTikTok
Debugging a Slow SQL QueryMedium
Practice
Practice drill

Explain how to diagnose and fix a slow SQL query in Zomato analytics.

Performance Tuningdatabase optimizationlarge datasetsZomato
SQL Query OptimizationMedium
Practice
Practice drill

Optimize a slow PostgreSQL query that aggregates completed transactions while preserving customers with no matching activity.

Performance Tuningdatabase optimizationindexesDDroisysCapgeminiNomura
The finish line: interview-readyComplete all 14 questions plus 3 hands-on drills to finish this plan.