Principal Engineer Interview Questions

4,340 principal engineer interview questions shared by candidates

white boarding done for UI scenario like simple game dashboard using Angular, HTML, CSS, reverse string, prime number, java questions multithreading, sleep vs wait, String comparison, AI scenario for car travel, mileage, distance etc
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Principal Full Stack Developer

Interviewed at SAP

4.2
Feb 27, 2018

white boarding done for UI scenario like simple game dashboard using Angular, HTML, CSS, reverse string, prime number, java questions multithreading, sleep vs wait, String comparison, AI scenario for car travel, mileage, distance etc

// Javascript what is the difference between regular function and arrow function What is curry function and why is it used Implement a custom promise function // HTML How do you know which html version is being used // CSS What are css preprocessors How do you write browser specific css What is difference between relative and absolute positioning // React useState useCallbacks // Redux State management How to dispatch a function waiting on API call // Git What is difference between git merge and rebase Git command for cherry-picking Git reset head~1
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Principal Software Engineer

Interviewed at ConnectWise

3
Nov 13, 2023

// Javascript what is the difference between regular function and arrow function What is curry function and why is it used Implement a custom promise function // HTML How do you know which html version is being used // CSS What are css preprocessors How do you write browser specific css What is difference between relative and absolute positioning // React useState useCallbacks // Redux State management How to dispatch a function waiting on API call // Git What is difference between git merge and rebase Git command for cherry-picking Git reset head~1

1. How to remove duplicates from an array without using an extra object or creating a new Set. 2. How to implement the flatten method on your own. 3. Why did React move from Class based components to Functional based components ?
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Senior/Principal Front-end Engineer

Interviewed at ConnectWise

3
Nov 28, 2022

1. How to remove duplicates from an array without using an extra object or creating a new Set. 2. How to implement the flatten method on your own. 3. Why did React move from Class based components to Functional based components ?

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