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Principal Software Engineer Interview Questions

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2,162 principal software engineer interview questions shared by candidates

Pairing task, coding challenges (what will this code do; can you explain why we get this result etc...), architecture task and discussions. Can you describe a time when you positively impacted the processes of your team? Can you provide an example of when you had to resolve conflict in your team? etc..
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Principal Software Engineer

Interviewed at Mojo (UK)

5★
Feb 21, 2024

Pairing task, coding challenges (what will this code do; can you explain why we get this result etc...), architecture task and discussions. Can you describe a time when you positively impacted the processes of your team? Can you provide an example of when you had to resolve conflict in your team? etc..

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.

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