Software Engineer Principal Interview Questions

2,045 software engineer principal interview questions shared by candidates

A sequence is called Fibbonacci-ish if, 1. The sequence consists of at least two elements 2. f[0] and f[1] are arbitrary 3. f[n + 2] = f[n + 1] + f[n] for all n ≥ 0. Given an array of integers, you have to rearrange the elements to find the longest possible Fibbonacci-ish sub sequence and return its length.
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Principal Software Engineer

Interviewed at Moonfrog Labs

4.1
Sep 12, 2016

A sequence is called Fibbonacci-ish if, 1. The sequence consists of at least two elements 2. f[0] and f[1] are arbitrary 3. f[n + 2] = f[n + 1] + f[n] for all n ≥ 0. Given an array of integers, you have to rearrange the elements to find the longest possible Fibbonacci-ish sub sequence and return its length.

Why did you guys use a load balancer here when it comes out of the box with kubernetes? What are some common mistakes in setting monitoring metrics/SLAs? How do you ensure various types of engineering best practices are followed?
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Principal Software Engineer

Interviewed at PayPay

3.4
Sep 6, 2023

Why did you guys use a load balancer here when it comes out of the box with kubernetes? What are some common mistakes in setting monitoring metrics/SLAs? How do you ensure various types of engineering best practices are followed?

As for the technical questions, this wasn't too hard. It was just how you would develop a multi-tenant SaaS system. Unfortunately, i think I gave them a lot of free consulting based on the questions they had for me.
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Principal Software Engineer

Interviewed at Liaison International

3.8
Oct 31, 2014

As for the technical questions, this wasn't too hard. It was just how you would develop a multi-tenant SaaS system. Unfortunately, i think I gave them a lot of free consulting based on the questions they had for me.

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