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9,196 backend developer interview questions shared by candidates

The first round consists of questions regarding the database, git, REST APIs, Project discussion, and then a medium-level DSA question. The second round was fully based upon the previous projects done and the interviewer asked questions based on projects and then asked to extend a new functionality (not whole code but an overview of how, why, and what is needed). The last round was the culture fit round where general discussion on a product took place.
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Backend Developer Intern

Interviewed at smallcase

3.9★
Aug 14, 2024

The first round consists of questions regarding the database, git, REST APIs, Project discussion, and then a medium-level DSA question. The second round was fully based upon the previous projects done and the interviewer asked questions based on projects and then asked to extend a new functionality (not whole code but an overview of how, why, and what is needed). The last round was the culture fit round where general discussion on a product took place.

Consider you are walking. The task is to drink juice and get the maximum possible power from juices. Juice stalls locations are given as an array x1 < x2 < ….. < xn-1 < xn, specifying position in metres measured from one end of the road. If you drink juice at position xi you receive power of pi > 0. There is a restriction that you cannot drink juice within t metres or less than it. M is the length of the road in metres. Input : M = 20 x = {6, 7, 12, 13, 16, 20} power = {5, 6, 5, 3, 1, 10} t = 5 Ans = 20 (Drink juice from 6, 12 and 20 location)
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SDE-1 Backend Developer

Interviewed at Zeta

3.3★
Nov 24, 2024

Consider you are walking. The task is to drink juice and get the maximum possible power from juices. Juice stalls locations are given as an array x1 < x2 < ….. < xn-1 < xn, specifying position in metres measured from one end of the road. If you drink juice at position xi you receive power of pi > 0. There is a restriction that you cannot drink juice within t metres or less than it. M is the length of the road in metres. Input : M = 20 x = {6, 7, 12, 13, 16, 20} power = {5, 6, 5, 3, 1, 10} t = 5 Ans = 20 (Drink juice from 6, 12 and 20 location)

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