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Senior Backend Engineer Interview Questions

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2,034 senior backend engineer interview questions shared by candidates

First round was 1:1 discussion where we discussed about different backend technologies such as Java, Spring, Microservices, Clean Code and Clean Architecture principle. Second round was problem solving round where I'd to write a code snippet to solve given problem.
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Sr Backend Engineer

Interviewed at Backbase

3.1★
May 6, 2022

First round was 1:1 discussion where we discussed about different backend technologies such as Java, Spring, Microservices, Clean Code and Clean Architecture principle. Second round was problem solving round where I'd to write a code snippet to solve given problem.

Two threads are incrementing an integer in a for loop (1..10) what are the min and max possible values for that integer. Describe how would you build a system which get events from different micro services and allows querying these events There were other questions but i cant remember
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Senior Backend Engineer

Interviewed at Bizzabo

3.7★
Feb 12, 2021

Two threads are incrementing an integer in a for loop (1..10) what are the min and max possible values for that integer. Describe how would you build a system which get events from different micro services and allows querying these events There were other questions but i cant remember

Talk us through your thought process on a highly complex decision you made. Please include: How did you evaluate your options? What steps did you take to de-risk the downsides of the selected solution? What outcome did that decision have? Your answer should be 500 words or less.
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Senior Backend Engineer

Interviewed at DuckDuckGo

4.4★
Sep 22, 2023

Talk us through your thought process on a highly complex decision you made. Please include: How did you evaluate your options? What steps did you take to de-risk the downsides of the selected solution? What outcome did that decision have? Your answer should be 500 words or less.

Explain the rationale for the project and whether it had the expected impact. Please include: What data (if any) indicated it was worth pursuing? How did you define success? What was the final outcome? Your answer should be 500 words or less.
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Senior Backend Engineer

Interviewed at DuckDuckGo

4.4★
Sep 22, 2023

Explain the rationale for the project and whether it had the expected impact. Please include: What data (if any) indicated it was worth pursuing? How did you define success? What was the final outcome? Your answer should be 500 words or less.

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