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Software Development Test Engineer Interview Questions

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5,408 software development test engineer interview questions shared by candidates

Codility - the harder question was just sorting a data structure in a specific space and time complexity. And phone interviews were more about what languages (programming) you know and how comfortable you are with those languages and also questions to see if you would be a good fit for the team.
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Software Development Engineer In Test - Intern

Interviewed at iCIMS

3.1★
Feb 5, 2016

Codility - the harder question was just sorting a data structure in a specific space and time complexity. And phone interviews were more about what languages (programming) you know and how comfortable you are with those languages and also questions to see if you would be a good fit for the team.

Python Oops concepts (method overriding, method overloading, inheritance), decorators Your CTC and Expected CTC ! (yes it was asked in first round... may be to know what he was getting is low or as per market :) )
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Software Development Engineer In Test

Interviewed at Accion Labs

3.7★
Sep 26, 2018

Python Oops concepts (method overriding, method overloading, inheritance), decorators Your CTC and Expected CTC ! (yes it was asked in first round... may be to know what he was getting is low or as per market :) )

Round 3 – Follow-up / HR-aligned Technical Round Focus: Fundamentals + confirmation Questions asked: Basic Selenium questions (locators, XPath). Jenkins overview. Re-asked Python logic questions. Confirmation-style coding (executed code). Quick checks on fundamentals rather than deep discussion.
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Software Development Engineer In Test (SDET)

Interviewed at CloudSek

4★
Dec 29, 2025

Round 3 – Follow-up / HR-aligned Technical Round Focus: Fundamentals + confirmation Questions asked: Basic Selenium questions (locators, XPath). Jenkins overview. Re-asked Python logic questions. Confirmation-style coding (executed code). Quick checks on fundamentals rather than deep discussion.

Round 1 – QA Director / Senior QA (Technical + Logic) Focus: Backend, API, security, Python logic, QA mindset Questions asked: Tell me about yourself. Explain the project you worked on. How did you use JWT in your project? Difference between authentication and authorization. How did you implement and test RBAC? How do you validate secure APIs? What kind of negative/security scenarios did you test? How do you debug failures using logs? How would you handle a project if you are the only QA? Write Python code to move all zeroes to the right in a list. Explain your approach to API validation using JSON responses.
avatar

Software Development Engineer In Test (SDET)

Interviewed at CloudSek

4★
Dec 29, 2025

Round 1 – QA Director / Senior QA (Technical + Logic) Focus: Backend, API, security, Python logic, QA mindset Questions asked: Tell me about yourself. Explain the project you worked on. How did you use JWT in your project? Difference between authentication and authorization. How did you implement and test RBAC? How do you validate secure APIs? What kind of negative/security scenarios did you test? How do you debug failures using logs? How would you handle a project if you are the only QA? Write Python code to move all zeroes to the right in a list. Explain your approach to API validation using JSON responses.

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