Java Backend Engineer Interview Questions

Senior Java Backend Developer

Interviewed at Infosys

3.6★

Jan 4, 2023

Microservices Architecture

Senior Java Backend Developer

Interviewed at Infosys

3.6★

Jul 26, 2025

Explain the new features that introduced in Java 8, get array of duplicate from a list, explain service discovery in microservices , CI/CD pipeline, spring boot annotation etc

Java Cloud Backend Engineer

Interviewed at UPS

3.4★

Jun 26, 2025

JAVA basics, Springboot (Easy),Mostly situation based questions and The interviewer was friendly, helping and Asked me to write 4 programs using streams and Lambda,Write mapping using Hibernate config which i miserably failed and Yet the interviewer was approachable and Helped me write the mapping and Rejected which was a great lesson for My Learning!!

Java Backend Engineer

Interviewed at Sonar

2.9★

Aug 16, 2022

How HashMap works internally or how binary search works

Senior Java Backend Developer

Interviewed at Betsol

4★

Jun 30, 2022

Java oops , Spring boot question

Senior Backend Java Developer

Interviewed at Finnplay Technologies

4.4★

Mar 7, 2025

There were tech questions in my area of work, mostly java/kafka and others and tech team had deep and clear ideas of their concerned fields.

Junior Java Backend Developer

Interviewed at Holidu

4.5★

Nov 9, 2021

What do I expect at Holidu?

Junior Java Backend Developer

Interviewed at Holidu

4.5★

Dec 24, 2021

What would you do if you encounter a problem at work (in terms of bug or something similar)?

Backend Java Developer

Interviewed at GROW Inc

3.6★

Dec 3, 2019

Advantages of microservices over monolithic applications

Java Backend Engineer

Interviewed at Birlasoft

3.4★

Jun 20, 2025

SPRINGBOOT - all HTTP mtds, explain the SOLID principles , all HTTP error codes