Top 27
Prep plan
Updated weekly · Last refresh Oct 17
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Scale.ai Software Engineer Interview Questions

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

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1
CodingStart here. 16 questions · ~266 min
Party Data Window ComputationHard
Practice

Join party submissions to neighborhoods and merge hourly activity windows using datetime parsing and interval aggregation.

aggregationArraysAlgorithmsSScale.ai
Routing for Minimum Travel TimeHard
Practice

Use Google location travel times and bitmask dynamic programming to find the minimum round-trip route through resorts.

api integrationDynamic ProgrammingAlgorithmsSScale.ai
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2
System Design3 questions · ~50 min
Backend for Insurance Claims AgentHard

Design a claims agent that extracts evidence from emails and PDFs, makes approval decisions, and controls LLM cost.

agentic applicationscomputational costagent designSScale.ai
Distributed Task Queue at ScaleHard
Recently asked

Design a distributed task queue that assigns, retries, and monitors millions of labeling jobs with low latency and high reliability.

distributed systemsdata ingestionarchitecture patternsSScale.ai
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3
Behavioral & Leadership4 questions · ~67 min
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4
More topics4 questions · ~67 min
Room Availability QueriesMedium
Practice

Identify meeting rooms that are free during each time gap using joins and interval logic.

Date FunctionsJoinsCase WhenSScale.ai
LLM Prompt Generation With ValidationHard
Recently asked

Evaluates your ability to build reliable LLM pipeline steps with validation and output formatting.

apiSScale.ai
Validate LLM Output in PipelineMedium
Recently asked

Tests your ability to design evaluation, guardrails, and quality gates for LLM outputs in production.

api integrationSScale.ai
LLM Prompt Generation and ValidationMedium
Recently asked

Tests your ability to integrate LLMs into production workflows with validation and reliability checks.

api integrationPrompt EngineeringvalidationSScale.ai

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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 27 questions plus 2 hands-on drills to finish this plan.