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Principal Data Engineer Interview Questions

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10,186 principal data engineer interview questions shared by candidates

1. First round was Product details round where the interviewer asked on product and technologies worked on. Questions like difference between micro-service/monolith. which is better etc, 2. Vague offline assignment. They would ask to write Junit, in-memory database, sql scripts etc. for submission. Spent 2-3 hrs on this project. 3. Analysis of the project done on #2. They were looking for "implied" understanding of the project. Doesn't matter if you solved it good technically. I found their focus partial. They are not looking for good candidates but someone else. 3. Hiring Manager: His aim seemed to be looking for people who can say "yes" to his command. No technical discussion. I am not a boot licker so failed to impress him
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Principal Software Engineer

Interviewed at LeadSquared

3.1★
Apr 29, 2022

1. First round was Product details round where the interviewer asked on product and technologies worked on. Questions like difference between micro-service/monolith. which is better etc, 2. Vague offline assignment. They would ask to write Junit, in-memory database, sql scripts etc. for submission. Spent 2-3 hrs on this project. 3. Analysis of the project done on #2. They were looking for "implied" understanding of the project. Doesn't matter if you solved it good technically. I found their focus partial. They are not looking for good candidates but someone else. 3. Hiring Manager: His aim seemed to be looking for people who can say "yes" to his command. No technical discussion. I am not a boot licker so failed to impress him

Core Java: maps, multithreading, concurrency, Spring, JBoss; SQL joins, outer joins, foreign key, referential integrity. EM: continuous integration - components, interactions; Unix shell General about recent assignments in previous place.
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Principal Programmer

Interviewed at Nomura

3.8★
Oct 2, 2016

Core Java: maps, multithreading, concurrency, Spring, JBoss; SQL joins, outer joins, foreign key, referential integrity. EM: continuous integration - components, interactions; Unix shell General about recent assignments in previous place.

Most of the rounds focus on high level design and db design related questions. One of the the round they revisit the hacker rank code and they will ask you to improve it. Also they cover the project and deep dive on your profile too. Usually the rounds span between 1 and 1 and half an hour.
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Principal Software Engineer

Interviewed at Arcesium

4★
Mar 12, 2021

Most of the rounds focus on high level design and db design related questions. One of the the round they revisit the hacker rank code and they will ask you to improve it. Also they cover the project and deep dive on your profile too. Usually the rounds span between 1 and 1 and half an hour.

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