Java Backend Engineer Interview Questions

Java Backend Engineer

Interviewed at Revolut

4★

Feb 10, 2021

Write an URL shortener app + tests

Java Backend Developer ()

Interviewed at Symphony Talent

3.3★

Jul 18, 2021

Q: Overloading vs overriding? Q: Array vs ArrayList? Q: Hashset vs Hashmap? Q: Final, finalize, finally? Q: try-catch-finally? Q: Comparable vs comparator? Q: @PathParam vs @QueryParam? Q: How to pass header into method parameter of a GET endpoing? Q: API flow of custom exception handling? Q: How to write a GET endpoint? Q: What happens if user uses POST request for a GET endpoint?

Java Backend Developer/Engineer

Interviewed at Hummingbird Web Solutions

4.1★

Oct 14, 2025

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

Senior Java Backend Developer

Interviewed at Revolut

4★

Oct 24, 2024

Develop a pseudo load balancer with a maximum of 10 instances, applying random algorithm and round-robin

Java Backend Developer

Interviewed at Lendico

3.7★

Mar 6, 2018

take-home coding task

Java Backend Developer

Interviewed at Lendico

3.7★

Mar 6, 2018

Skype tech interview

Java/Kotlin Backend Developer

Interviewed at Grandcentrix

4.1★

Jul 25, 2021

General Technical questions, Questions about the coding assignment.

Software Engineer - Java Backend

Interviewed at Dino Systems

4.6★

Jun 3, 2022

What are HTTP status codes?

Java Backend Developer ()

Interviewed at Montran

4.1★

Jan 3, 2023

Basic java and spring questions they have more focuses on overloading and overriding concept

Backend Java Developer

Interviewed at Beaconfire

4.4★

Mar 26, 2023

- What is depedency injection