Test Automation Developer Interview Questions

3,426 test automation developer interview questions shared by candidates

first round: annotations, priority, dependsOn, dynamic xpath, dataprovider, frameworks, my current project, POM, utility class, property file, db connection in selenium, java program on reversing a string without using reverse function, types of testing, black box vs uat testing, verification vs validation, api testing questions on http status codes, authentication vs Authorization, what all tests i have done
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ETL and Automation Tester

Interviewed at Deloitte

3.8
Dec 9, 2020

first round: annotations, priority, dependsOn, dynamic xpath, dataprovider, frameworks, my current project, POM, utility class, property file, db connection in selenium, java program on reversing a string without using reverse function, types of testing, black box vs uat testing, verification vs validation, api testing questions on http status codes, authentication vs Authorization, what all tests i have done

1.About myself? 2. API complete knowledge although interview was for API mainly, I was asked to know ETL testing 3.CICD pipeline- answered java- answered sql-I was unaware and said the same.. I guess that was not considered upon asking question regarding same I was told to know it as it might be client requirement
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Automation API Tester

Interviewed at Capgemini

4.2
Jun 17, 2025

1.About myself? 2. API complete knowledge although interview was for API mainly, I was asked to know ETL testing 3.CICD pipeline- answered java- answered sql-I was unaware and said the same.. I guess that was not considered upon asking question regarding same I was told to know it as it might be client requirement

1) Introduction 2) (Orange, apple, lemon, mango, Orange), Which collection do you use if I want to add the objects in insertion order? What if I want to add in alphabetical order, which collection will you use? 3(Orange, apple, lemon, mango) which collection do you use to store these, and why? how can we store in alphabetically order 4) (Fruit: Orange), (Vegetable : Onion) : Which collection will you use to store it, can we store it in order wise? if yes, why ? if not, why? 5)(Fruit: Orange, Mango,pear), (Vegetable: Onion, potato, cabbage): Which collection will you use to store it? can you write it with syntax ..How can we store it in alphabetical order? 6) What would be output String name = "Royal Challengers Bengaluru"; name.toLowerCase(); System.out.println(name); name.toUpperCase(); System.out.println(name); Explain the code as well 7) Give the logic and print it Input: "I Love Dogs"; Output Example: IL, Io, Iv, Ie, ID, Io, Ig, Is LI, Lo, Lv, Le, LD, Lo , Lg, Ls oI, oL, ov, oe, oD, og, os
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Test Automation Engineer

Interviewed at Mphasis

3.4
Aug 30, 2024

1) Introduction 2) (Orange, apple, lemon, mango, Orange), Which collection do you use if I want to add the objects in insertion order? What if I want to add in alphabetical order, which collection will you use? 3(Orange, apple, lemon, mango) which collection do you use to store these, and why? how can we store in alphabetically order 4) (Fruit: Orange), (Vegetable : Onion) : Which collection will you use to store it, can we store it in order wise? if yes, why ? if not, why? 5)(Fruit: Orange, Mango,pear), (Vegetable: Onion, potato, cabbage): Which collection will you use to store it? can you write it with syntax ..How can we store it in alphabetical order? 6) What would be output String name = "Royal Challengers Bengaluru"; name.toLowerCase(); System.out.println(name); name.toUpperCase(); System.out.println(name); Explain the code as well 7) Give the logic and print it Input: "I Love Dogs"; Output Example: IL, Io, Iv, Ie, ID, Io, Ig, Is LI, Lo, Lv, Le, LD, Lo , Lg, Ls oI, oL, ov, oe, oD, og, os

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