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Software Development Engineer In De Test Interview Questions

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6,461 software development engineer in de test interview questions shared by candidates

Explain a scenario where multiple ads appear one-by-one on a website. How would you automate testing for this sequence, when the number of ads is unknown and each ad stays visible for 5 seconds�?If there are three textboxes with different IDs, but input only goes to one during automation, what could be the cause of the issue�?Can you describe how you would handle a situation where an API response does not match expected data? What troubleshooting steps would you take�?What types of bugs have you encountered during API testing, and how did you address them (e.g., missing functionality, poor error handling, performance issues)�?How do you perform API testing for negative cases and error scenarios�?Describe a challenge you faced during API test automation and how you resolved it�. Coding questions on array
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Software Development Engineer In Test (SDET)

Interviewed at NatWest Group

4★
Oct 1, 2025

Explain a scenario where multiple ads appear one-by-one on a website. How would you automate testing for this sequence, when the number of ads is unknown and each ad stays visible for 5 seconds�?If there are three textboxes with different IDs, but input only goes to one during automation, what could be the cause of the issue�?Can you describe how you would handle a situation where an API response does not match expected data? What troubleshooting steps would you take�?What types of bugs have you encountered during API testing, and how did you address them (e.g., missing functionality, poor error handling, performance issues)�?How do you perform API testing for negative cases and error scenarios�?Describe a challenge you faced during API test automation and how you resolved it�. Coding questions on array

There was a detailed technical question about a test strategy for a complex system built with a domain-specific language. When I answered in general terms, the interviewer kept pressing for more specifics and detailed examples. I finally realized that she didn't really understand the problem. I confronted her with "This is your job, isn't it? And you don't know how to do it!" She admitted I was right.
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Senior Software Development Engineer In Test Lead

Interviewed at Microsoft

4★
Jul 23, 2014

There was a detailed technical question about a test strategy for a complex system built with a domain-specific language. When I answered in general terms, the interviewer kept pressing for more specifics and detailed examples. I finally realized that she didn't really understand the problem. I confronted her with "This is your job, isn't it? And you don't know how to do it!" She admitted I was right.

Nothing too difficult about the technical questions, I came from a public school in CA near the start of my JR year, and by the end of the year every type of question that was asked was covered in class. They don't look for the absolute best answer, as long as it's not overly complicated.
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Software Development Engineer In Test (SDET)

Interviewed at Microsoft

4★
Jul 30, 2014

Nothing too difficult about the technical questions, I came from a public school in CA near the start of my JR year, and by the end of the year every type of question that was asked was covered in class. They don't look for the absolute best answer, as long as it's not overly complicated.

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