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Backend Software Engineer Interview Questions

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2,339 backend software engineer interview questions shared by candidates

1. HR about yourself, explanation about the company and benefits. 2. Hackkerank 1 SQL Problem, 1 Coding Problem (I found it on leetcode it is a hard problem), 5 Multiple choices about Database, Cache, Java 3. Lead Engineer Experience, how to handle concurrency requests in DB, how to deploy code to production, what should be considered during development so the code can be scalable and secure, mini coding homework about merging two arrays that have a conflict. 4. Lead Engineer (I didn't reach this step) 5. VP Of Engineer (I didn't reach this step)
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Software Engineer, Backend

Interviewed at BukuWarung

3.6★
Nov 16, 2021

1. HR about yourself, explanation about the company and benefits. 2. Hackkerank 1 SQL Problem, 1 Coding Problem (I found it on leetcode it is a hard problem), 5 Multiple choices about Database, Cache, Java 3. Lead Engineer Experience, how to handle concurrency requests in DB, how to deploy code to production, what should be considered during development so the code can be scalable and secure, mini coding homework about merging two arrays that have a conflict. 4. Lead Engineer (I didn't reach this step) 5. VP Of Engineer (I didn't reach this step)

Code the application to shorten the long urls using Spring, Java tech stack? In interviews, focus is on typical Java, Spring questions. Discussion of different messaging protocols. There was one question about distributed transactions.
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Sr Backend Software Engineer

Interviewed at Vivy (Germany)

3.3★
Jun 22, 2023

Code the application to shorten the long urls using Spring, Java tech stack? In interviews, focus is on typical Java, Spring questions. Discussion of different messaging protocols. There was one question about distributed transactions.

- Given two classes written in C#, you should write constructors for them. - If you have any edits to the classes to achieve polymorphism. - Problem Solving: You have an array (not sorted) and you need to print the repeated number. - What is meant by that REST Methods are idempotent? - To build a sign-in API, what HTTP method is more applicable? - The rest of the interview was behavioral questions.
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Software Engineer, Backend Intern

Interviewed at Raisa Energy

4.7★
Jul 8, 2022

- Given two classes written in C#, you should write constructors for them. - If you have any edits to the classes to achieve polymorphism. - Problem Solving: You have an array (not sorted) and you need to print the repeated number. - What is meant by that REST Methods are idempotent? - To build a sign-in API, what HTTP method is more applicable? - The rest of the interview was behavioral questions.

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