Data Engineering Interview Questions

56,458 data engineering interview questions shared by candidates

We have to give money to all employees, We know you will be great fit. But We cannot pay you what we committed. He has to show the ceo how much savings i am doing. Name of HR India Head who interviewed is "Atanu Mazumder"
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Team Lead Engineering

Interviewed at InvoiceCloud

3.6
Jun 19, 2025

We have to give money to all employees, We know you will be great fit. But We cannot pay you what we committed. He has to show the ceo how much savings i am doing. Name of HR India Head who interviewed is "Atanu Mazumder"

Imagine items are moving on a conveyor belt. When the conveyor starts, you have no way of knowing how many items will arrive (it could be 1 or it could be 1 million). For quality control purposes, you need to select one item from this conveyor at random SUCH THAT every item has an equal probability of being selected. Devise an algorithm that takes a list of unknown length and selects such a random item without counting the length of the list.
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Software Engineering Intern

Interviewed at Blend

2.5
May 9, 2022

Imagine items are moving on a conveyor belt. When the conveyor starts, you have no way of knowing how many items will arrive (it could be 1 or it could be 1 million). For quality control purposes, you need to select one item from this conveyor at random SUCH THAT every item has an equal probability of being selected. Devise an algorithm that takes a list of unknown length and selects such a random item without counting the length of the list.

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