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Updated weekly · Last refresh Oct 17

Samsung Ads Software Engineer Interview Questions

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

50questions
~8htotal time
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1
CodingStart here. 14 questions · ~134 min
Remove Duplicates in Linked ListMedium
Practice
Recently asked

Remove duplicate nodes from sorted or unsorted linked lists while preserving the first occurrence and original order.

Linked ListsData StructuresSamsung Ads
Topological Sort for DependenciesMedium
Practice
Recently asked

Return a deterministic build order for Samsung Ads components using Kahn's topological sort, or report a dependency cycle.

dfsAlgorithmsGraphsSamsung Ads
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2
Pipelines3 questions · ~29 min
Design Real-Time Ad Event PipelineHard
Recently asked

Design a low-latency ad event pipeline processing up to 900K events/sec with accurate click and impression aggregates for reporting and billing.

InfrastructureStream ProcessingIdempotencySamsung Ads
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3
System Design5 questions · ~48 min
Video Upload Platform DesignMedium
Recently asked

Evaluates your system design thinking for a video upload platform.

Samsung Ads
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4
Security & Infrastructure8 questions · ~76 min
Clock Domain CrossingMedium
Recently asked

Evaluates your understanding of CDC risks and design considerations in hardware systems.

circuit designSamsung Ads
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5
Technical Fundamentals11 questions · ~105 min
Stepper vs Servo MotorsMedium
Recently asked

Evaluates your understanding of motor control differences and use-case reasoning.

Samsung Ads
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6
Execution3 questions · ~29 min
API Gateway Rate LimiterHard
Recently asked

Tests distributed throttling design, fairness, and resilience under load.

Trade-offsrate limitingavailabilitySamsung Ads
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7
More topics6 questions · ~57 min
Git Blame and SQL JoinsMedium
Recently asked

Tests practical tooling knowledge and your understanding of SQL join behavior.

JoinssqlSamsung Ads
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL for Campaign PerformanceMedium
Practice
Practice drill

Write a SQL query to analyze campaign performance by advertiser, including spend, impressions, clicks, CTR, and conversion rate over the last 30 days. Use...

Date FunctionsJoinsperformanceSamsung Ads
SQL Window Functions for Top CampaignsMedium
Practice
Practice drill

Rank Samsung Ads campaigns by daily reach and return the top two campaigns per day, including ties.

Window FunctionsJoinsData ManipulationSamsung Ads
Second Highest Trader SalaryEasy
Practice
Recently asked
Practice drill

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingeClinicalWorksNNeenOpal CanadaInformatica
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.