Developer Java Backend Interview Questions

Senior Backend Engineer-Java

Interviewed at Glovo

3.4★

Apr 13, 2024

What are you doing in the current company?

Backend Engineer (Java)

Interviewed at Zalando

3.6★

Mar 15, 2020

3 Codility tasks to do at home

Backend Developer (Java)

Interviewed at Snapdeal

4.2★

Jul 20, 2021

Factory Design pattern Strategy Design pattern How to optimize sql query? LRU Cache Implementation

Senior Backend Engineer-Java

Interviewed at Zalando

3.6★

Jul 29, 2022

Challenges you faced in the last project

Senior Backend (Java, PHP) Developer (M/F/D) - Team Search

Interviewed at Flix

4.1★

May 23, 2023

A 100-minute Codility test. A 1-hour technical interview, A 90-minute technical second interview.

Java Backend Intern

Interviewed at Canva

3.9★

Sep 4, 2023

Generic OA questions. Make sure you know Java well!

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

Desarrollador Backend Java

Interviewed at PA Consulting

3.7★

Mar 11, 2024

Me preguntaron sobre mis estudios

Java Backend Developer/Engineer

Interviewed at NLB Services

4.2★

Oct 27, 2024

About projects i worked on in my previous company and why would you like to join our company?