Backend Java Developer Interview Questions

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 Developer/Engineer

Interviewed at Bounteous x Accolite

3.4★

Oct 11, 2024

Q. Stair case problem Q. Sorted rotated array find maximum number. Q. Find max length of string from array of string using lambda. Q. Create list of common skills employee using key as skill using lambda

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?

Java Backend Developer/Engineer

Interviewed at Bounteous x Accolite

3.4★

Mar 7, 2025

How many threads are allowed in a thread pool?

Java Backend Engineer

Interviewed at Revolut

4★

Feb 10, 2021

Write an URL shortener app + tests

Backend Java Engineer

Interviewed at Verizon

3.6★

Feb 21, 2023

immutable class and some follow-up questions related to it. after that, he questions about hashmap/hashset in deep, such as java 8 improvement. ai the end stream API questions

Senior Backend Engineer-Java

Interviewed at Glovo

3.4★

Apr 13, 2024

Do you mind staying at the company to support the last deployment?

Senior Backend Engineer-Java

Interviewed at Glovo

3.4★

Apr 13, 2024

What are you doing in the current company?