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Updated weekly · Last refresh Aug 30

Fourkites QA Engineer Interview Questions

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

17questions
~3htotal time
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1
CodingStart here. 6 questions · ~70 min
Detect Cycle in Linked ListEasy
Practice

Use Floyd’s two-pointer algorithm to determine whether a singly linked list contains a cycle.

Hash TablesLinked ListsTwo PointersFourkites
First Non-Repeating ElementEasy
Practice

Find the first non-repeating integer in an array using frequency counting and a second scan.

Hash TablesArraysSearchingFourkites
Palindrome Check With RulesEasy
Practice

Check whether a FourKites tracking string is a palindrome while ignoring spaces and capitalization.

StringsfunctionsTwo PointersFourkites
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2
SQL & Data Manipulation4 questions + 2 drills · ~67 min
Second Highest Without AggregatesHard
Practice

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-JoinsFourkites
SQL Join Types With ExamplesEasy

Tests SQL join understanding and ability to reason about result sets.

null handlingJoinsmany-to-oneFourkites
Normalization vs DenormalizationMedium

Tests data modeling tradeoffs for performance and correctness.

acid propertiesperformancedata integrityFourkites
Self-Join Manager Salary CheckEasy
Practice
Practice drill

Use a self-join to identify Tiger Analytics employees whose salaries exceed their direct managers.

SubqueriesJoinsSelf-JoinsNevada StaffingTiger Analytics
Rank Top Service CategoriesEasy
Practice
Practice drill

Use RANK() and grouped revenue to find ServiceTitan's top three service categories in each region.

RankingperformancesqlServiceTitan
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3
Behavioral & Leadership5 questions · ~59 min
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4
More topics2 questions · ~23 min
RTM, Regression, and Data-Driven TestingMedium

Tests understanding of RTM, regression, and data-driven testing with practical test case creation.

rtmregression testingFourkites
Test Framework ArchitectureMedium

Evaluates your ability to design maintainable QA automation frameworks and execution structure.

Fourkites
The finish line: interview-readyComplete all 17 questions plus 2 hands-on drills to finish this plan.