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Lead Backend Developer Interview Questions

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6,282 lead backend developer interview questions shared by candidates

****These are not verbatim and the interview was more of a conversation than prompt and response**** Q: What was a major project you worked on and what was your role? How were you able to assess and design this feature with customer and system impact in mind? Q: When was a time when you had to decide tradeoffs with tech-debt and feature work? How did you measure success once the compromised solution was in place? Q: What makes a quality Engineer? What's an example of you demonstrating those qualities?
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Senior Backend Engineer

Interviewed at Array (NY)

2.7★
May 24, 2024

****These are not verbatim and the interview was more of a conversation than prompt and response**** Q: What was a major project you worked on and what was your role? How were you able to assess and design this feature with customer and system impact in mind? Q: When was a time when you had to decide tradeoffs with tech-debt and feature work? How did you measure success once the compromised solution was in place? Q: What makes a quality Engineer? What's an example of you demonstrating those qualities?

Recruiter asked me some general questions - Why this company, why are you a good fit, tell me about yourself. Tech prescreen was based on practical questions, not Leetcode. For the rest interviews, I've signed an NDA so cannot say anything.
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Software Engineer, New Grad, Backend

Interviewed at Ramp

3.7★
Apr 16, 2024

Recruiter asked me some general questions - Why this company, why are you a good fit, tell me about yourself. Tech prescreen was based on practical questions, not Leetcode. For the rest interviews, I've signed an NDA so cannot say anything.

They give me some classes and asked me to implement a method for one of the classes based on data structures. Then asked me one question about a given code using mutexes, I was told to find a bug or a problem in a given code. The interviewer wasn't interested about my previous work, about my projects even though I came with some years of experience . He was too cold, and not interested in anything I talked about.
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Junior Backend Developer

Interviewed at Pontera

3★
Jun 26, 2023

They give me some classes and asked me to implement a method for one of the classes based on data structures. Then asked me one question about a given code using mutexes, I was told to find a bug or a problem in a given code. The interviewer wasn't interested about my previous work, about my projects even though I came with some years of experience . He was too cold, and not interested in anything I talked about.

Coding question was - To replace all the spaces in a string with '%20'. For eg. S="Weather is nice today" Change it to S="Weather%20is%20nice%20today", that too without using any extra space and in linear time. No boundation of programming language.
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Backend and Automation Intern

Interviewed at Decentro

4.2★
May 7, 2021

Coding question was - To replace all the spaces in a string with '%20'. For eg. S="Weather is nice today" Change it to S="Weather%20is%20nice%20today", that too without using any extra space and in linear time. No boundation of programming language.

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