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Top 33
Prep plan
Updated weekly · Last refresh Sep 24

Otter.ai Backend Engineer Interview Questions

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

33questions
~5htotal time
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1
CodingStart here. 9 questions · ~77 min
K Largest ElementsMedium
Practice

Return the k largest values from an Otter.ai transcript metric using a bounded min-heap.

Otter.ai
Caching Frequently Accessed TranscriptionsMedium

Assesses your caching strategy for transcription access patterns and performance improvements.

performance optimizationcachingData StructuresOtter.ai
Optimizing Time and Space ComplexityEasy

Explain how to improve coding solutions by reducing time complexity first, then balancing space trade-offs.

Hash TablesArraysGreedyOtter.ai
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2
System Design12 questions · ~103 min
Real-Time Transcription MetadataHard

Tests your ability to design a real-time backend system for Otter.ai-style transcription metadata.

system designOtter.ai
Scale Notifications to MillionsHard

Tests your system design approach for high-scale notification delivery and reliability.

notification systemscalabilityOtter.ai
Caching Strategy ImplementationMedium

Evaluates your caching design, invalidation approach, and performance reasoning.

system designperformancecachingOtter.ai
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3
Behavioral & Leadership11 questions · ~94 min
Backend Technologies UsedEasy

Assesses your backend stack familiarity and ability to explain trade-offs.

Otter.ai
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4
More topics1 question · ~9 min
Pagination and Filtering for Meeting HistoryMedium

Tests your SQL and data modeling approach for efficient pagination and filtering at scale.

paginationfilteringdatabase conceptsOtter.ai
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Compare Weekly User Activity TrendsMedium
Practice
Practice drill

Aggregate user activity by week, then use LAG to compare sessions and watch time versus the prior active week.

Window FunctionsLag/LeadDate FunctionsB Lab GlobalTapadScale
Top 10% Users By Transcript VolumeMedium
Practice
Practice drill

Identify the top 10% of weekly Otter.ai transcript-generating users with date aggregation and ranking.

Window FunctionsDate FunctionsRankingOtter.ai
Nth Salary SQLMedium
Practice
Practice drill

Use ranking to return the nth distinct salary from an employee table.

system designnull handlingsqlBBirdeyeAkamai
The finish line: interview-readyComplete all 33 questions plus 3 hands-on drills to finish this plan.