Automation Control Engineer Interview Questions

3,460 automation control engineer interview questions shared by candidates

What is automation testing? What are the advantages of automation testing over manual testing? Which types of test cases are ideal for automation? What is the Page Object Model (POM)? Explain the difference between implicit and explicit waits in Selenium. What is a locator in Selenium, and name a few types? How does TestNG differ from JUnit? What is data-driven testing? Explain the test automation pyramid. What are some common challenges in automation testing?
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Senior QA Automation Engineer

Interviewed at Cognizant

3.6
Dec 9, 2025

What is automation testing? What are the advantages of automation testing over manual testing? Which types of test cases are ideal for automation? What is the Page Object Model (POM)? Explain the difference between implicit and explicit waits in Selenium. What is a locator in Selenium, and name a few types? How does TestNG differ from JUnit? What is data-driven testing? Explain the test automation pyramid. What are some common challenges in automation testing?

Some of the key questions and topics discussed during the interview included: Writing a program to reverse a string while keeping blank spaces intact. Writing a program where the input string was "name01, name03, name05" and replacing name with a surname while keeping the numeric part unchanged. Scenario-based questions such as handling challenging situations at work. Approach to designing an automation framework from scratch for a new project. Detailed project-related questions based on past experience
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QA Automation Engineer

Interviewed at Barclays

3.9
Jan 17, 2026

Some of the key questions and topics discussed during the interview included: Writing a program to reverse a string while keeping blank spaces intact. Writing a program where the input string was "name01, name03, name05" and replacing name with a surname while keeping the numeric part unchanged. Scenario-based questions such as handling challenging situations at work. Approach to designing an automation framework from scratch for a new project. Detailed project-related questions based on past experience

There was a logic task about wrappers that could be exchanged for candies, with each wrapper having its own value. After solving the logic part, I was asked to write code to calculate the results and explain my coding solution
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Senior QA Automation Engineer

Interviewed at Test Driven Solutions

3.3
Apr 26, 2025

There was a logic task about wrappers that could be exchanged for candies, with each wrapper having its own value. After solving the logic part, I was asked to write code to calculate the results and explain my coding solution

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