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Principal Software Engineer Interview Questions

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2,049 principal software engineer interview questions shared by candidates

They ask enough questions for an entire IT department, literally everything. They searched "Software Engineer Interview Questions" and started reading the questions in the results. They expect you to have knowledge of all areas, architecture, front-end, back-end, DevOps, customer management, etc., so be sure to bring all coworkers you know to help with the interview. The questions range from the highest level to the lowest level Java questions. Questions that they themselves do not know, but, hey, it’s in Google’s results. You will have to explain in detail and draw diagrams about the project you are working on, and if you say you can't because you are not allowed to disclose (for obvious reasons), they get upset.
avatar

Principal Software Engineer

Interviewed at Capco

3.8★
May 8, 2021

They ask enough questions for an entire IT department, literally everything. They searched "Software Engineer Interview Questions" and started reading the questions in the results. They expect you to have knowledge of all areas, architecture, front-end, back-end, DevOps, customer management, etc., so be sure to bring all coworkers you know to help with the interview. The questions range from the highest level to the lowest level Java questions. Questions that they themselves do not know, but, hey, it’s in Google’s results. You will have to explain in detail and draw diagrams about the project you are working on, and if you say you can't because you are not allowed to disclose (for obvious reasons), they get upset.

What past project worked on last 1 year , what have you learned new and exciting Discussion on specific past Project Discussion on exciting past project Which sort to be used for in memory array, best case and worst case complexity. and why Sort Link-list via merge sort using recursive function.
avatar

Principal Software Engineer

Interviewed at Everbridge

3.5★
Jul 5, 2024

What past project worked on last 1 year , what have you learned new and exciting Discussion on specific past Project Discussion on exciting past project Which sort to be used for in memory array, best case and worst case complexity. and why Sort Link-list via merge sort using recursive function.

How to replicate data from Primary to Secondary (DB) in un-reliable network. Write code at primary and secondary side Consider single secondary as of now. 2 criteria : there should be no data loss and seq of data should be maintained.
avatar

Principal Software Engineer

Interviewed at Everbridge

3.5★
Jul 5, 2024

How to replicate data from Primary to Secondary (DB) in un-reliable network. Write code at primary and secondary side Consider single secondary as of now. 2 criteria : there should be no data loss and seq of data should be maintained.

DS/Algo: Given an array of +ve number, provide all the possible expression which can create number 24. Numbers can be used in any order, use math operator (+,-,*,/). Example: [5,5,1,1] Expected Answer: (5 - (1/5)) * 5
avatar

Principal Software Engineer

Interviewed at Everbridge

3.5★
Jul 5, 2024

DS/Algo: Given an array of +ve number, provide all the possible expression which can create number 24. Numbers can be used in any order, use math operator (+,-,*,/). Example: [5,5,1,1] Expected Answer: (5 - (1/5)) * 5

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