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Updated weekly · Last refresh Aug 30

Pearl Software Engineer Interview Questions

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

33questions
~6htotal time
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1
CodingStart here. 14 questions · ~147 min
Linked List ReversalEasy
Practice
Recently asked

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysPearl
Implement Binary Search AlgorithmEasy
Practice
Recently asked

Write a binary search function to find a target value in a sorted array.

SearchingPearl
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2
System Design3 questions · ~31 min
Design a Marketplace Recommendations StackMedium
Recently asked

Design a personalized recommendations system for a large e-commerce marketplace with strict latency, freshness, and monitoring needs.

InfrastructureFeature StoreModel ServingPearl
Design A/B Testing for MVCMedium
Recently asked

Assesses system design thinking for experimentation and measurement in a web application.

A/B TestingPearl
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3
Execution3 questions · ~31 min
Motivation for High-Quality WorkEasy
Recently asked

Tests your drive, ownership, and quality standards in a research analyst role.

Success CriteriaRisk AssessmentScope ManagementPearl
Design URL Shortening ServiceHard
Recently asked

Tests system design skills for a high-availability, scalable web service.

Trade-offsSuccess CriteriaRisk AssessmentPearl
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4
Behavioral & Leadership11 questions · ~115 min
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5
More topics2 questions · ~21 min
Troubleshooting a System OutageMedium
Recently asked

Tests incident response process, diagnostics, and communication during outages.

InfrastructureQualityPearl
SQL Query Performance TuningHard
Recently asked

Tests ability to diagnose and improve SQL performance using practical techniques.

SubqueriesJoinsCTEsPearl
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
CTE-Based TurboTax Growth AnalysisMedium
Practice
Practice drill

Use a CTE to calculate monthly paid TurboTax starts and prior-month activity retention for growth analysis.

SubqueriesJoinsCTEsIntuit
SQL Identify Missing Required FieldsMedium
Practice
Practice drill

Use LEFT JOINs and a PostgreSQL subquery to identify Apex QA test cases with missing required fields.

SubqueriesJoinsCTEsApex Systems
The finish line: interview-readyComplete all 33 questions plus 3 hands-on drills to finish this plan.