Backend Developer Interview Questions

9,192 backend developer interview questions shared by candidates

Technical questions 45 mins, asking same question someone post above, the busiest ceo and the filtered list. Fundamental questions: difference between es6 import and require, what is the “new” keyword do in es6 class, what is the difference between var and const, let. Engineering process, tell her a project you did and what is the process in that project.
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Backend Developer

Interviewed at Rapyd

3
Jan 17, 2020

Technical questions 45 mins, asking same question someone post above, the busiest ceo and the filtered list. Fundamental questions: difference between es6 import and require, what is the “new” keyword do in es6 class, what is the difference between var and const, let. Engineering process, tell her a project you did and what is the process in that project.

Technical Interview - 3 phases: 1. Code review - refactoring a Java class and its methods 2. Algorithmic task - an easy one from Leetcode (it was in neetcode's roadmap) 3. System design - a basic system with DB and API endpoints
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Backend Developer

Interviewed at Trading 212

2.7
Feb 23, 2025

Technical Interview - 3 phases: 1. Code review - refactoring a Java class and its methods 2. Algorithmic task - an easy one from Leetcode (it was in neetcode's roadmap) 3. System design - a basic system with DB and API endpoints

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