Top 44
Prep plan
Updated weekly · Last refresh Aug 30

BestPeers Software Engineer Interview Questions

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

44questions
~7htotal time
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1
CodingStart here. 16 questions · ~163 min
First Non-Repeating CharacterEasy
Practice

Find the first non-repeating character in a string using frequency counting and a second pass in O(n) time.

Hash TablesStringsSearchingBestPeers
Merge Two Sorted ArraysEasy
Practice

Merge two sorted arrays into one sorted array using a two-pointer linear scan.

ArraysSortingTwo PointersBestPeers
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2
SQL & Data Manipulation8 questions + 3 drills · ~112 min
3
Behavioral & Leadership16 questions · ~163 min
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4
More topics4 questions · ~41 min
Debug Web App PerformanceMedium

Tests systematic performance debugging, measurement, and communication in a production web context.

Trade-offsSuccess CriteriaRisk AssessmentBestPeers
Triage JVM Memory Exhaustion SecurelyMedium

Handle a Java service memory incident with security-aware diagnostics, containment, and monitoring while protecting sensitive data.

InfrastructureQualityBestPeers
Design Large-Scale Data ProcessingHard

Tests architecture thinking for scalable pipelines, reliability, and performance tradeoffs.

ETLBatch ProcessingOrchestrationBestPeers
Backend Design for a Booking AppHard

Evaluates system design thinking for a high-traffic booking backend.

databaseBestPeers
The finish line: interview-readyComplete all 44 questions plus 3 hands-on drills to finish this plan.