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Prep plan
Updated weekly · Last refresh Nov 6

Morgan Stanley Software Engineer Interview Questions

The questions to prepare for a Morgan Stanley Software Engineer interview. Questions from real interview reports rank first. Updated daily.

50questions
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1
CodingStart here. 13 questions · ~143 min
Java Code Review and ImprovementsMedium
Recently asked

Assesses code review skills, design thinking, and Java-specific improvement reasoning.

Morgan Stanley
Graph Traversal With BFSMedium
Practice
Recently asked

Traverse a graph in breadth-first order while tracking visited nodes to prevent repeated processing.

bfsData StructuresAlgorithmsMorgan Stanley
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2
SQL & Data Manipulation6 questions + 1 drill · ~76 min
SQL IndexingHard
Practice
Recently asked

Use a representative PostgreSQL query to evaluate indexing choices for active accounts and recent trade orders.

database optimizationlarge datasetsindexesMorgan Stanley
Immutable Class and CollectionsEasy
Practice
Recently asked

Use SQL joins and aggregation to return Java immutability rules alongside LinkedList and ArrayList differences.

database managementdata managementsqlMorgan Stanley
Optimizing a Slow QueryMedium
Practice
Recently asked
Practice drill

Rewrite a slow PostgreSQL reporting query to reduce scanned rows, avoid join multiplication, and return accurate monthly site metrics.

Subqueriesdatabase optimizationJoinsContinental FinanceCapgeminiDISH
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3
System Design12 questions · ~132 min
Design ML-Powered API Rate LimiterHard
Recently asked

Design an ML-driven API rate limiter serving 3.5M RPS with sub-15ms latency, adaptive throttling, and strong abuse detection guardrails.

InfrastructureIdempotencyQualityMorgan Stanley
Design a Ride Matching RankerHard
Recently asked

Design the ML system for ride matching in a ride-sharing app, from candidate retrieval through ranking, serving, and monitoring.

Feature StoreModel ServingRecommendation SystemsMorgan Stanley
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4
Pipelines3 questions · ~33 min
Find Most Frequent Word in Large FileHard
Recently asked

Evaluates scalable text processing and algorithm choice for large inputs.

data processingMorgan Stanley
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5
Technical Fundamentals12 questions · ~132 min
Java Garbage Collection TradeoffsMedium
Recently asked

Tests understanding of JVM memory management and performance implications of GC strategies.

memory managementjavaMorgan Stanley
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6
Behavioral & Leadership4 questions · ~44 min
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The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.