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Updated weekly · Last refresh Oct 17

Ong & Shan Software Engineer Interview Questions

The questions to prepare for a Ong & Shan Software Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 9 questions · ~93 min
Implement Bubble Sort AlgorithmEasy
Practice

Write a function to perform bubble sort on an array.

SortingOng & Shan
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 TablesStringsSearchingOng & Shan
Checking Whether a Number Is PrimeEasy

Explain how to test whether an integer is prime efficiently using trial division up to the square root.

MathSearchingGreedyOng & Shan
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2
Execution3 questions · ~31 min
Prioritizing Features and WorkMedium

Tests prioritization judgment across UX, engineering constraints, and business outcomes.

Trade-offsRoadmappingPrioritizationOng & Shan
System Design ApproachMedium

Tests ability to translate requirements into a system design with clear tradeoffs.

Trade-offsRoadmappingScope ManagementOng & Shan
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3
Behavioral & Leadership9 questions · ~93 min
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4
More topics3 questions · ~31 min
OOP Concepts OverviewEasy

Tests basic understanding of object-oriented programming concepts.

basicsooptechnical knowledgeOng & Shan
Security and ScalabilityMedium

Tests ability to apply security and scalability principles to real production systems.

InfrastructureDependenciesQualityOng & Shan
Web App Architecture ComponentsMedium

Tests practical system design knowledge for building maintainable web applications.

Feature StoreRetrievalModel ServingOng & Shan

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