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Principal Data Engineer Interview Questions

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10,170 principal data engineer interview questions shared by candidates

The third round with VP was most difficult as he mis understood my responses. There was a significant communication gap. As all interviews were conducted via Zoom, he even commented on my background view? I explained to him that I was in a hotel due to business travel.
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Client Principal/Account Director

Interviewed at Thoughtworks

3.1★
Jul 12, 2022

The third round with VP was most difficult as he mis understood my responses. There was a significant communication gap. As all interviews were conducted via Zoom, he even commented on my background view? I explained to him that I was in a hotel due to business travel.

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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