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Senior Java Developer Interview Questions

"Senior developers have years of experience in Java and have the knowledge and communication skills to mentor other developers. Companies prioritize strong technical skills and questions will focus on problem solving and critical thinking. A bachelor's degree in computer science or a related field, along with years of industry experience are standard."

5,288 senior java developer interview questions shared by candidates

A light bulb question. If you don't answer this you will be rejected, be prepared. :) Other interview questions are very easy if you have hands on programming experience. Funny part is in last round you will encounter light bulb question.
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Senior Java/J2EE Developer

Interviewed at ORBCOMM

2.6★
Nov 28, 2017

A light bulb question. If you don't answer this you will be rejected, be prepared. :) Other interview questions are very easy if you have hands on programming experience. Funny part is in last round you will encounter light bulb question.

Pretty basic things. Mostly memorized theoretical questions. If you memorized this topics you will probably pass the interview: Java interview questions. Spring interview questions. Hibernate interview questions. Java 8 > new features. SOLID, Design patterns. Agile, Microservice, unit testing. I didn't like their interview because They didn't ask any data structure or time complexity. They didn't focus on system design They focused on Spring annotations. Bean scope, bean lifecycle etc. Which is not good sign for me.
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Senior Java Developer

Interviewed at Zartis

4.5★
Apr 8, 2022

Pretty basic things. Mostly memorized theoretical questions. If you memorized this topics you will probably pass the interview: Java interview questions. Spring interview questions. Hibernate interview questions. Java 8 > new features. SOLID, Design patterns. Agile, Microservice, unit testing. I didn't like their interview because They didn't ask any data structure or time complexity. They didn't focus on system design They focused on Spring annotations. Bean scope, bean lifecycle etc. Which is not good sign for me.

I got all type of questions where at that point in time where aroung reactive programming and webflux. Currently if hiring will open again the concentration of the question would be classical multithreading/concurrency, usage of virtual threads in java, applying SOLID principles, unit | functional | integration testing all of them against the code you delivered in the second phase.
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Senior Java Developer

Interviewed at Travix International

3.4★
Mar 18, 2025

I got all type of questions where at that point in time where aroung reactive programming and webflux. Currently if hiring will open again the concentration of the question would be classical multithreading/concurrency, usage of virtual threads in java, applying SOLID principles, unit | functional | integration testing all of them against the code you delivered in the second phase.

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