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3,966 engineer developer interview questions shared by candidates

They asked about my self-introduction, the tech stack used in my recent project, how I debug production issues, what is included in a CI/CD pipeline, whether I had WebFlux experience, the disadvantages of WebFlux, how I set up monitoring, and my experience with Java multithreading.
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Software Engineer - Java Developer

Interviewed at Fidelity Investments

4.1★
May 20, 2026

They asked about my self-introduction, the tech stack used in my recent project, how I debug production issues, what is included in a CI/CD pipeline, whether I had WebFlux experience, the disadvantages of WebFlux, how I set up monitoring, and my experience with Java multithreading.

Technical Round, 1. Given a string s, find the length of the longest substring without repeating characters. 2. Search anyting from logs Important - 1. In video call, interviewer didn't turn on his camera. Seemed low on energy. 2. Interviewer asks question like "Do you know Linux/Unix commands". You reply with yes, and name few commands you use daily. And the next question is "Do you know API documentation". No relation with the next question asked. 3. During problem solving question, interviewer went out of the world. after 10minutes he'll ask explain again
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Developer Relations Engineer

Interviewed at RingCentral

3.5★
Apr 18, 2023

Technical Round, 1. Given a string s, find the length of the longest substring without repeating characters. 2. Search anyting from logs Important - 1. In video call, interviewer didn't turn on his camera. Seemed low on energy. 2. Interviewer asks question like "Do you know Linux/Unix commands". You reply with yes, and name few commands you use daily. And the next question is "Do you know API documentation". No relation with the next question asked. 3. During problem solving question, interviewer went out of the world. after 10minutes he'll ask explain again

Most of the questions were related to general topics such as application monitoring, deployment and delivery processes, and overall development practices. There was nothing particularly deep-dive or technically challenging, the discussion stayed mostly high-level and conceptual.
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Software Engineer - Java Developer

Interviewed at Flix

4.1★
Oct 14, 2025

Most of the questions were related to general topics such as application monitoring, deployment and delivery processes, and overall development practices. There was nothing particularly deep-dive or technically challenging, the discussion stayed mostly high-level and conceptual.

create ssh key was task0, than recovering something from loggs, you need to find the location based on the file name. afterward use the information in the file to find all uniqe users and deleting the using ip adress, port and url.
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Developer Support Engineer

Interviewed at JFrog

4.3★
May 6, 2024

create ssh key was task0, than recovering something from loggs, you need to find the location based on the file name. afterward use the information in the file to find all uniqe users and deleting the using ip adress, port and url.

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