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Updated weekly · Last refresh Aug 30

Samsung Electronics QA Engineer Interview Questions

The questions to prepare for a Samsung Electronics QA Engineer interview. Questions from real interview reports rank first. Updated weekly.

39questions
~6htotal time
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1
CodingStart here. 6 questions · ~58 min
Reverse Linked List ComplexityEasy
Practice

Reverse a singly linked list in place using pointer reassignment with O(n) time and O(1) extra space.

time complexityLinked ListsData StructuresSamsung Electronics
Maximum Sum Contiguous SubarrayEasy
Practice

Use Kadane's algorithm to find the contiguous subarray with the largest sum in linear time.

Dynamic ProgrammingArraysGreedySamsung Electronics
Detect Cycle in Directed GraphMedium

Tests graph reasoning, algorithm selection, and correctness for cycle detection.

RecursionGraphsSamsung Electronics
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2
SQL & Data Manipulation6 questions + 1 drill · ~68 min
Second Highest Trader SalaryEasy
Practice

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

SubqueriesRankingSortingSamsung Electronics
Group Filtering with HAVINGEasy
Practice

Use GROUP BY and HAVING to find NetSuite customers with at least two approved sales orders.

Group ByHavingAggregationsSamsung Electronics
SQL Join Types and Use CasesMedium

Tests understanding of SQL joins and applying them to real data scenarios.

null handlingJoinsdata integritySamsung Electronics
Analyzing Operations Bottlenecks with SQLHard
Practice
Practice drill

Use multi-level CTEs, joins, and LAG to identify Samsung regional inventory shortages and late deliveries.

JoinsperformanceAggregationsSamsung ElectronicsApeel Sciences
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3
Execution3 questions · ~29 min
Stop Testing Before ReleaseMedium

Tests risk-based decision making and release readiness criteria for QA work.

release planningSuccess CriteriaRisk AssessmentSamsung Electronics
Your Background and FitEasy

Tests communication clarity and how your experience maps to BASF’s machine learning engineering needs.

RoadmappingScope ManagementSamsung Electronics
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4
Behavioral & Leadership24 questions · ~231 min
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The finish line: interview-readyComplete all 39 questions plus 1 hands-on drill to finish this plan.