Principal Software Engineer Interview Questions

2,045 principal software engineer interview questions shared by candidates

Mostly technical and problem solving skills. Questions will also be around candidates previous projects and how he/she helped in solving critical problems. Questions around what keeps the candidate motivated to perform his regular day to day work. How contributes to the overall vision of the organization.
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Senior Principal Software Engineer

Interviewed at Dell Technologies

3.7
May 25, 2019

Mostly technical and problem solving skills. Questions will also be around candidates previous projects and how he/she helped in solving critical problems. Questions around what keeps the candidate motivated to perform his regular day to day work. How contributes to the overall vision of the organization.

Final, finally Bean Scopes in spring Old Java Design patterns: Proxy, Adapter, Facade How would you implement a singleton? Gotcha Snippets ( == / equals / instanceof and other quirky, autoboxing and unboxing gotcha questions) What would you say if your manager turns your proposal down, says simply "this is not how we used to do things", then refuses to elaborate.
Nov 14, 2025

Final, finally Bean Scopes in spring Old Java Design patterns: Proxy, Adapter, Facade How would you implement a singleton? Gotcha Snippets ( == / equals / instanceof and other quirky, autoboxing and unboxing gotcha questions) What would you say if your manager turns your proposal down, says simply "this is not how we used to do things", then refuses to elaborate.

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