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Updated weekly · Last refresh Aug 30

Perk Software Engineer Interview Questions

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

50questions
~7htotal time
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1
ExecutionStart here. 4 questions · ~32 min
Maintain Quality Without Slowing DeliveryHard
Recently asked

Balance quality controls and delivery speed when your team is under pressure to ship.

Trade-offsRisk AssessmentQualityPerk
Project Walkthrough and API DocsMedium

Evaluates your ability to narrate project execution and apply API documentation to deliver features.

api documentationPerk
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2
System Design14 questions · ~112 min
Database Architecture Trade-offsMedium

Evaluates your ability to choose and justify database architectures for high-traffic billing workloads.

Trade-offsdatabase architecturePerk
Google Site Analytics CloneHard

Assesses your ability to design an analytics platform with event tracking, aggregation, and scaling.

system designanalyticsPerk
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3
Security & Infrastructure6 questions · ~48 min
Security for Financial DataMedium

Evaluates your approach to securing financial data and maintaining integrity across systems.

data securityfinancial dataPerk
Server Farm Security and OpsHard

Tests your security, operations, and risk management thinking under extreme constraints.

InfrastructurePerk
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4
SQL & Data Manipulation7 questions + 3 drills · ~86 min
Scaling a DatabaseMedium

Assesses your knowledge of scaling strategies like sharding, replication, caching, and partitioning.

performancePerk
Monthly Active User Growth by PlatformMedium
Practice
Practice drill

Use joins, CTEs, and monthly aggregation to compute Google Maps active users and month-over-month growth.

Window FunctionsDate FunctionsAggregationsEngineGoogleZoomInfo Technologies
Top Digital Services Per RegionMedium
Practice
Practice drill

Rank monthly Apple digital service revenue by region using DENSE_RANK and ROW_NUMBER to identify top performers.

Window FunctionsanalyticssqlApple
Top Models Per Asset ClassEasy
Practice
Practice drill

Rank Balyasny research models by average return within each asset class using DENSE_RANK and aggregation.

performancesqlBalyasny Asset Management
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5
Coding15 questions · ~120 min
Language Choice and TriviaEasy

Assesses breadth of knowledge about the programming languages you use.

programming languagesPerk
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6
Behavioral & Leadership4 questions · ~32 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.