CM TH Software Engineer Interview Questions

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

19questions

~3htotal time

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CodingStart here. 6 questions · ~60 min

Reverse a string in Python using character traversal and return the reversed result.

Two Sum with TargetEasy

Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStrings

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Time Complexity of Sorting AlgorithmsEasy

Compare common sorting algorithms by best, average, and worst-case time complexity and explain when each is appropriate.

MathArraysSorting

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Compare REST and SOAP APIsMedium

Explain the core differences between REST and SOAP, including message format, protocol style, and trade-offs.

Hash TablesStrings

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Execution3 questions · ~30 min

Explain how you would design a scalable application, including trade-offs, risks, stakeholder needs, and how you define success.

Improving Application PerformanceMedium

Tests your approach to diagnosing bottlenecks and improving performance in production systems.

Trade-offsSuccess CriteriaRisk Assessment

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Designing a RESTful APIMedium

Tests your ability to design clean, scalable API contracts and endpoints.

Trade-offsRoadmappingScope Management

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Behavioral & Leadership10 questions · ~100 min

Prioritizing Across Competing Client ProjectsEasy

Tests prioritization under pressure across multiple projects, including trade-off judgment, stakeholder communication, and ownership of outcomes.

OwnershipPrioritization

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The finish line: interview-readyComplete all 19 questions to finish this plan.