Java Backend Developer Interview Questions

Software Engineer - Java Backend

Interviewed at PayPal

3.6★

Jun 16, 2020

Data Structures and Algorithms

Java Backend Developer

Interviewed at Encora

3.8★

May 28, 2022

For my specific case in both (Encora and client's) they asked about a lot of things for example: - design patterns - security - SOLID - OWASP - your main tech stack

Junior Java Backend Developer

Interviewed at Holidu

4.5★

Nov 9, 2021

What do I expect from Holidu?

Junior Java Backend Developer

Interviewed at Holidu

4.5★

Nov 9, 2021

What do I expect from Holidu?

Java Backend Developer/Engineer

Interviewed at Hummingbird Web Solutions

4.1★

Oct 14, 2025

dp,bitmasking,timecompletxity of coding problem and its space complexity

Backend Engineer (Spring, Java)

Interviewed at Celonis

3.8★

Dec 4, 2021

what is your current role and project you are working on.

Java Backend Developer

Interviewed at financial.com

4.3★

Jul 20, 2023

Questions related to REST APIs like the technical differences between different HTTP methods. DBMS concepts like Indexing, Types of Keys, Joins, Deadlock, etc. Java questions related to OOPs, String, exception handling, multithreading, etc. Some questions related to Docker were also asked.

Backend Java Developer

Interviewed at GROW Inc

3.6★

Dec 3, 2019

Which data structure has fast insertion and update, linked List or Array List?

Backend Java Developer

Interviewed at Atlassian

3.1★

Jun 29, 2020

Design a rate limiter

Graduate Backend Developer - Java

Interviewed at ByteDance

3.4★

May 27, 2021

Talks about projects that you have done and a lot of your understanding of java implementations.