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Senior Backend Engineer Interview Questions

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2,786 senior backend engineer interview questions shared by candidates

Interview lasted about 2 hours Initially I had a pair programming session with one of their engineer: I was asked to implement a component with tests in my preferred language After that, I was asked to comment some existing legacy code, essentially to find out pitfalls/defects and suggest ways to improve it Then I had a more high level chat with one of chief engineer, about communication patterns Final step was a general chat focused on the company culture and personal attitude Eventually had to give up, because of personal reasons, but I really liked the company and partially regret my decision.
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Senior Backend Engineer

Interviewed at Kriya

3.4★
Dec 8, 2019

Interview lasted about 2 hours Initially I had a pair programming session with one of their engineer: I was asked to implement a component with tests in my preferred language After that, I was asked to comment some existing legacy code, essentially to find out pitfalls/defects and suggest ways to improve it Then I had a more high level chat with one of chief engineer, about communication patterns Final step was a general chat focused on the company culture and personal attitude Eventually had to give up, because of personal reasons, but I really liked the company and partially regret my decision.

You decided to use a key-value cache. However, 99% of users are requesting the same information, which creates a bottleneck on a single key. How would you design your cache to prevent this key from becoming a point of contention and ensure better scalability?
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Senior Backend Engineer - Golang

Interviewed at Voodoo

4.1★
Dec 9, 2024

You decided to use a key-value cache. However, 99% of users are requesting the same information, which creates a bottleneck on a single key. How would you design your cache to prevent this key from becoming a point of contention and ensure better scalability?

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