Fourkites QA Engineer Interview Questions

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

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CodingStart here. 8 questions · ~108 min

First Non-Repeating ElementEasy

Practice

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

Hash TablesArraysSearching

Fourkites

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 Pointers

Fourkites

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SQL & Data Manipulation5 questions + 1 drill · ~77 min

Second Highest Without AggregatesHard

Practice

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

SubqueriesRankingSelf-Joins

Fourkites

Join Choice and Analytical IntegrityMedium

Practice

Practice drill

Explain how LEFT JOIN and INNER JOIN affect customer revenue results, including the risk of excluding customers without orders.

data accuracynull handlingJoins

MongoDB

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More topics7 questions · ~94 min

RTM, Regression, and Data-Driven TestingMedium

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

rtmregression testing

Fourkites

Test Real-Time GPS TrackingHard

Tests ability to plan QA for unreliable real-time inputs and validate system behavior.

test strategyreal-time systemsedge cases

Fourkites

Balance API and UI AutomationMedium

Tests test strategy decisions and automation ROI thinking.

api testingAutomation

Fourkites

Build Automation Framework for MicroservicesHard

Tests architecture skills for scalable, maintainable test automation across services.

automation frameworktest strategymicroservices

Fourkites

Test Framework ArchitectureMedium

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

Fourkites