Sdet Interview Questions

4,400 sdet interview questions shared by candidates

1. Technical Interview (1.5 hours): This round was highly detailed and began with core Java concepts, including OOP principles, the Collections Framework, and exception handling. It also included three DSA questions, all array-based, focusing on problem-solving and optimization. Additionally, I was asked SQL queries ranging from basic to intermediate difficulty and had to explain my final year project and other projects mentioned in my resume. The interviewer asked in-depth questions about the implementation, challenges, and outcomes of my projects, testing both my technical and practical knowledge. 2. HR Interview (30 minutes): This round happened a week later and included behavioral questions such as my strengths and weaknesses, how I handle team conflicts, and examples of working under pressure.
Mar 20, 2025

1. Technical Interview (1.5 hours): This round was highly detailed and began with core Java concepts, including OOP principles, the Collections Framework, and exception handling. It also included three DSA questions, all array-based, focusing on problem-solving and optimization. Additionally, I was asked SQL queries ranging from basic to intermediate difficulty and had to explain my final year project and other projects mentioned in my resume. The interviewer asked in-depth questions about the implementation, challenges, and outcomes of my projects, testing both my technical and practical knowledge. 2. HR Interview (30 minutes): This round happened a week later and included behavioral questions such as my strengths and weaknesses, how I handle team conflicts, and examples of working under pressure.

1st round : 1. Print all possible words from phone digits Reverse 2. Reverse a string without affecting special characters 2nd round: 1. Design APIs for Youtube by considering all criteria - Search API with pagination, - Upload video - Add a comment and reply to a comment 2. LLD of chess game 3rd round 1. Qs on Rest API 2. Test automation of distributed system 3. Qs on rate limiting & Load balancing, auto scaling 4. Qs on perfomance testing
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Senior SDET

Interviewed at Zeta

3.3
Jun 3, 2022

1st round : 1. Print all possible words from phone digits Reverse 2. Reverse a string without affecting special characters 2nd round: 1. Design APIs for Youtube by considering all criteria - Search API with pagination, - Upload video - Add a comment and reply to a comment 2. LLD of chess game 3rd round 1. Qs on Rest API 2. Test automation of distributed system 3. Qs on rate limiting & Load balancing, auto scaling 4. Qs on perfomance testing

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