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Senior Sdet Interview Questions

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399 senior sdet interview questions shared by candidates

HackerRank: Input: A bag contains n = 6 items with IDs [1, 1, 1, 2, 2, 3], and m = 2 items can be removed. Output: What is the minimum number of different IDs the final bag can contain? Hacker Rank : You are given a list of students, each associated with a subject. Your goal is to form the maximum number of teams such that:Each team has exactly one student from each subject.A student can only be part of one team. eg : Input: ["Math", "Physics", "History", "Math", "Physics", "History", "Math", "History"] System Design : Design a Comparator that compares two files before process and after processed.
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Senior SDET

Interviewed at Fivetran

3.6★
Jul 27, 2025

HackerRank: Input: A bag contains n = 6 items with IDs [1, 1, 1, 2, 2, 3], and m = 2 items can be removed. Output: What is the minimum number of different IDs the final bag can contain? Hacker Rank : You are given a list of students, each associated with a subject. Your goal is to form the maximum number of teams such that:Each team has exactly one student from each subject.A student can only be part of one team. eg : Input: ["Math", "Physics", "History", "Math", "Physics", "History", "Math", "History"] System Design : Design a Comparator that compares two files before process and after processed.

An hr of the technical round with the test manager and hiring manager. Questions related to the current job, roles, responsibilities, testing activities, meetings, and tools used. An app was presented on screen and asked to write tests for the app. It was simple. Few questions around Selenium functions.
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Senior SDET

Interviewed at Legal & General

3.8★
Jul 20, 2022

An hr of the technical round with the test manager and hiring manager. Questions related to the current job, roles, responsibilities, testing activities, meetings, and tools used. An app was presented on screen and asked to write tests for the app. It was simple. Few questions around Selenium functions.

SOLID principles Design patterns Test strategy documentation Implicit waits Remote WebDriver execution HTTP Methods CQL DB CI/CD Tags and Listeners Java Advanced Collection Framework Java 8 features Problem-solving skills
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Senior SDET

Interviewed at EPAM Systems

4★
Jul 28, 2025

SOLID principles Design patterns Test strategy documentation Implicit waits Remote WebDriver execution HTTP Methods CQL DB CI/CD Tags and Listeners Java Advanced Collection Framework Java 8 features Problem-solving skills

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