Site Reliability Engineer Interview Questions

2,545 site reliability engineer interview questions shared by candidates

A live coding interview with leetcode style of questions. I was given time to prepare on trees and graphs. The system design was challenging compared to the other system-designs I had done. I was asked to design a configuration store and retrieve system for booking with very precise requirements.
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Site Reliability Engineer

Interviewed at Booking.com

4.1
Jan 2, 2023

A live coding interview with leetcode style of questions. I was given time to prepare on trees and graphs. The system design was challenging compared to the other system-designs I had done. I was asked to design a configuration store and retrieve system for booking with very precise requirements.

Cheapest Flights Sliding Door question from LeetCode. Scale a system and find the bottle necks in the current system design. There was a lot information given in the system scalability interview as its based on an existing system they give you as a POC that you must then make production ready.
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Site Reliability Engineer

Interviewed at Booking.com

4.1
Oct 18, 2023

Cheapest Flights Sliding Door question from LeetCode. Scale a system and find the bottle necks in the current system design. There was a lot information given in the system scalability interview as its based on an existing system they give you as a POC that you must then make production ready.

is it advisable to use both Horizontal Pod Autoscaler (HPA) and Vertical Pod Autoscaler (VPA) on the same application? If yes, what are the possible consequences of doing so? And what kind of challenges or unexpected behaviours might occur when both are applied on the same pod?
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Site Reliability Engineer II

Interviewed at Zeta

3.4
Jul 25, 2025

is it advisable to use both Horizontal Pod Autoscaler (HPA) and Vertical Pod Autoscaler (VPA) on the same application? If yes, what are the possible consequences of doing so? And what kind of challenges or unexpected behaviours might occur when both are applied on the same pod?

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