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Samsung Semiconductor Inc (US) Software Engineer Interview Questions

The questions to prepare for a Samsung Semiconductor Inc (US) Software Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 14 questions · ~148 min
Next Greater TemperatureMedium
Practice

Use a monotonic stack to find the next strictly greater temperature for every day in O(n) time.

ArraysArray ManipulationAlgorithmsSamsung Semiconductor Inc (US)
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2
SQL & Data Manipulation4 questions + 1 drill · ~52 min
Running Total Sales by DateMedium
Practice

Aggregate posted Arcesium portfolio sales by date, then calculate each active portfolio's cumulative sales with a window function.

Window FunctionsRunning TotalsSamsung Semiconductor Inc (US)
Top Paid Per DepartmentEasy
Practice

Find the top 3 highest-paid employees in each department using window functions.

Window FunctionsRankingSamsung Semiconductor Inc (US)
Rolling Transaction SQL and RankingHard
Practice
Practice drill

Calculate each user's 7-day rolling transaction average and daily spend rank using PostgreSQL window functions.

Window FunctionsDate FunctionsRankingGGreen ExchangeAANT SolutionRakuten
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3
System Design4 questions · ~42 min
Design Cold Start RecommendationsHard

Design a recommendation system strategy for new users and new items when interaction history is sparse or missing.

Cold StartFeature StoreRecommendation SystemsSamsung Semiconductor Inc (US)
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4
Execution7 questions · ~74 min
Balancing Speed and QualityMedium

Describe a real example of choosing between faster delivery and a higher quality bar, including stakeholder alignment and risk management.

Trade-offsStakeholder ManagementSuccess CriteriaSamsung Semiconductor Inc (US)
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5
Security & Infrastructure13 questions · ~138 min
Cache Coherency MeaningMedium

Evaluates your grasp of systems concepts that affect correctness and performance.

Samsung Semiconductor Inc (US)
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6
Pipelines3 questions · ~32 min
Telemetry Ingestion Pipeline SchemaMedium

Assesses data modeling and ingestion design for validation telemetry at Samsung Semiconductor Inc (US).

data ingestiontelemetrySamsung Semiconductor Inc (US)
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7
More topics5 questions · ~53 min
Python vs C++ TradeoffsMedium

Assesses your understanding of language tradeoffs for performance, tooling, and development.

comparisonprogramming languagesSamsung Semiconductor Inc (US)
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The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.