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"Data architects design, build, and maintain the systems that dictate how a company's data is collected and stored. Expect interviews to consist primarily of technical questions that will test your knowledge of engineering databases. Employers are often looking for candidates with degrees in data science, computer science, or another related field, as well as a knowledge of relevant database languages like SQL."

21,060 data architect interview questions shared by candidates

1. Delete a linked list node, given access to that node only: I replied that I can copy data of next node to current node and keep doing it until the last node. Last node should be freed then. It was the correct answer. 2. Architecturally describe in detail how does Kafka manage the distributed messaging Queue. Many follow up questions on Zookeper as well. 3. Code Max Subarray problem and test cases. I wrote a code and explained why my solution wouldn't work for all negatives. Interviewer liked it a lot, I found/corrected this exceptional case too. 4. Swapping two elements of linked list. I don't remember this question totally, but this was eventually around swapping nodes in linked list. 5. Lots of architectural and designing questions, around scalability, fault tolerance systems etc.
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Systems Architect

Interviewed at Hortonworks

3.8★
Oct 26, 2015

1. Delete a linked list node, given access to that node only: I replied that I can copy data of next node to current node and keep doing it until the last node. Last node should be freed then. It was the correct answer. 2. Architecturally describe in detail how does Kafka manage the distributed messaging Queue. Many follow up questions on Zookeper as well. 3. Code Max Subarray problem and test cases. I wrote a code and explained why my solution wouldn't work for all negatives. Interviewer liked it a lot, I found/corrected this exceptional case too. 4. Swapping two elements of linked list. I don't remember this question totally, but this was eventually around swapping nodes in linked list. 5. Lots of architectural and designing questions, around scalability, fault tolerance systems etc.

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