Top 50
Prep plan
Updated weekly · Last refresh Oct 17

Scale Software Engineer Interview Questions

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

50questions
~11htotal time
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1
CodingStart here. 30 questions + 1 drill · ~409 min
2
System Design3 questions · ~40 min
Design and Build a Complex SystemHard

Explain a complex ML system you built, including architecture, scale, model choices, operations, evaluation, and failure handling.

complex systemsFeature DriftarchitectureScale
Q-Learning and Learning TypesMedium

Assesses understanding of reinforcement learning and comparisons across learning paradigms.

Machine LearningScale
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3
Pipelines3 questions · ~40 min
Fix TDD in a Machine Learning EnvironmentHard

Evaluates testing strategy for ML workflows and ability to make tests reliable.

Machine LearningScale
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4
Execution5 questions · ~67 min
Balance Scale and MaintainabilityMedium

Assesses engineering judgment around architecture, complexity, and long-term operability.

maintainabilityScale
Managing Your Greatest WeaknessEasy

Tests self-awareness and the ability to mitigate weaknesses with concrete systems.

Risk AssessmentScope ManagementScale
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5
Behavioral & Leadership8 questions · ~106 min
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6
More topics1 question · ~13 min
Intervals and JSON ProcessingMedium

Assesses data manipulation skills and ability to handle multi-step transformations.

Data ManipulationScale
Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.