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ThoughtWorks Quality Assurance Engineer Interview Questions and Answers

Updated 6 Nov 2018

ThoughtWorks Quality Assurance Engineer Interview Experiences

1 interview found

Interview Questionnaire 

2 Questions

  • Q1. Coding with any language 1. Count the no of occurrence of each character in string( ignore case)(ignore wild card characters)
  • Ans. 

    The question asks to count the number of occurrences of each character in a given string, ignoring case and wild card characters.

    • Convert the string to lowercase to ignore case.

    • Remove any wild card characters from the string.

    • Create an array of size 26 to store the count of each character.

    • Iterate through each character in the string and increment the count in the array accordingly.

    • Return the array of counts as the result

  • Answered by AI
  • Q2. Why you write code like this. What is advantage . Why used hashmap why not any other collection
  • Ans. 

    HashMap is used for efficient key-value pair storage and retrieval.

    • HashMap provides constant time complexity for basic operations like get and put.

    • It allows storing unique keys and their corresponding values.

    • HashMap is suitable for scenarios where fast lookup is required.

    • Other collections like ArrayList or LinkedList have different use cases and performance characteristics.

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Sep 2021. There was 1 interview round.

Round 1 - HR 

(1 Question)

  • Q1. About yourself, your strength and weaknesss, Willing to relocate

Interview Preparation Tips

Interview preparation tips for other job seekers - Logical reasoning, Aptitude questions, Analytical

I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basics of DSA, have knowledge about the databases, some common dml ,ddl statements, programming knowledge of a particular language like C,Java, python,etc...have good command on oops concepts... little bit of frameworks knowledge will also help

I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Java questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic questions

I applied via Newspaper Ad and was interviewed before Jun 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 
Round 2 - Technical 

(1 Question)

  • Q1. Basic questions of java.
Round 3 - HR 

(1 Question)

  • Q1. Intro and other hr related questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Cover the basic questions regarding the programming language.

I applied via Naukri.com and was interviewed before Sep 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Aptitude Test 

Entry level aptitude test

Round 3 - One-on-one 

(1 Question)

  • Q1. Introduction and about college project.

Interview Preparation Tips

Interview preparation tips for other job seekers - It was a really good experience working in TCS

I applied via Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Interview Preparation Tips

Interview preparation tips for other job seekers - Nothing as such. Overall experience was good

I applied via Referral and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Puzzles, Psychometric Test

Round 2 - One-on-one 

(1 Question)

  • Q1. Some water in 3 Jars question, you had to measure out 5L correctly

Interview Preparation Tips

Interview preparation tips for other job seekers - Make the interview interactive, I got this input from another Senior. Before i went into the interview room the volunteers were telling all those who goes into Room No 1 is screwed. I was praying i don't get room no 1. But fortunately for me I got room no 1 because when the interviewer gave me the puzzle and handed over pen and paper he went back to relax his posture and when i explained i will fill the 5L Jar first, he immediately came forward to listen to me, at that moment i knew i got the job because i felt the previous candidates never made their interview interactive and that's why he went back to relax his posture.

I applied via Walk-in and was interviewed before Jul 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. .net questions - routing in asp.net MVC ?

Interview Preparation Tips

Interview preparation tips for other job seekers - Nothing . Prepare well for interview on .Net technology stack

I applied via Company Website and was interviewed before Jun 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

First round was coding as well as aptitude done together went well I guess focusing on codes helps a lot.

Round 2 - Technical 

(1 Question)

  • Q1. 2nd round included tr and mr round went quite enegritic

Interview Preparation Tips

Interview preparation tips for other job seekers - Resume skills matters a lot don't fill resume the technologies you don't even aware of

ThoughtWorks Interview FAQs

What are the top questions asked in ThoughtWorks Quality Assurance Engineer interview?

Some of the top questions asked at the ThoughtWorks Quality Assurance Engineer interview -

  1. Coding with any language 1. Count the no of occurrence of each character in str...read more
  2. Why you write code like this. What is advantage . Why used hashmap why not any ...read more

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