Backend Java Developer Interview Questions

Junior Java Backend Developer

Interviewed at Moveinsync Technology Solutions

3.2★

Apr 1, 2025

I didn't get to the Interview round but one of my friends did and he was asked common spring boot questions and how he tackled the project, his thought process and what was the biggest obstacle he faced.

Java Backend Developer/Engineer

Interviewed at Datapro3x

4.1★

Mar 31, 2025

Q: Can you explain the difference between Spring and Spring Boot?

Senior Java Backend Developer

Interviewed at Bayes Esports Solutions

3.8★

May 7, 2020

Task: implement log processing application

Backend Java Developer

Interviewed at Photon

4.3★

Jul 6, 2023

core java, java 8, spring security

Senior Java Backend Developer

Interviewed at Diabolocom

4.1★

Sep 4, 2024

Given an array of numbers, combine them in all possible pairs. Count the pairs that respect the conditions: max(|x-y|,|x+y|)>=max.(|x|,|y|) min(|x-y|,|x+y|)<=min.(|x|,|y|)

Senior Java Developer, Backend

Interviewed at EverTrue

4.1★

Apr 25, 2018

Data Structures question, and what is the order N2 or NLogN?

Senior Software Engineer- Java( Backend)

Interviewed at Dew Solutions

3.9★

May 8, 2017

Java, OOPS( Server Side), Node JS, Data Structures and Algorithm.

Senior Java Backend Developer

Interviewed at N26

3.4★

Nov 2, 2018

Code an API for tracking statistics Code a function that, given a string, finds the first non-repeated letter in the string What are the advantages and disadvantages of using microservices

Java Backend Developer

Interviewed at uberall

3.1★

Jul 19, 2019

They asked me to solve a problem related to data structures(linked lists, queues etc).

Backend Java Developer

Interviewed at uberall

3.1★

Jul 5, 2020

Knight's game: implement using Circular linked list and print the last knight standing.