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Updated weekly · Last refresh Oct 17

Boston Consulting Group Software Engineer Interview Questions

The questions to prepare for a Boston Consulting Group Software Engineer interview. Questions from real interview reports rank first. Updated daily.

50questions
~7htotal time
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1
CodingStart here. 19 questions · ~168 min
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersBoston Consulting Group
Stack vs Queue DifferencesEasy

Compare stack and queue behavior, access order, operations, and common use cases in linear data structures.

StackQueueArraysBoston Consulting Group
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2
System Design3 questions · ~27 min
Design a URL Shortening RecommenderHard

Design a URL shortener that ranks and recommends short links while handling abuse, freshness, and monitoring at scale.

Feature StoreModel ServingBoston Consulting Group
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3
SQL & Data Manipulation3 questions + 3 drills · ~57 min
4
Behavioral & Leadership19 questions · ~168 min
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5
More topics6 questions · ~53 min
Discuss Deep Learning KnowledgeMedium

Assesses depth of understanding of deep learning concepts and practical experience.

Deep LearningBoston Consulting Group
Real-Time Updates for High TrafficHard

Tests real-time system design skills for scalability, latency, and reliability.

InfrastructureStream ProcessingOrchestrationBoston Consulting Group
Diagnose and Resolve Service DowntimeHard

Tests incident response skills, troubleshooting structure, and communication under pressure.

InfrastructureRisk AssessmentQualityBoston Consulting Group
Web App Architecture WalkthroughMedium

Tests your ability to explain design decisions, components, and trade-offs in a real system.

Trade-offsRoadmappingRisk AssessmentBoston Consulting Group
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.