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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

3rd Round: Q1. A question related to word search in file (check inverted index) Q2. Scenario: Let’s say if you have written a code in a Hurry and deployed. Have you ever gone through the code again and thought if I can optimize this code further? (Since in the interview you’re doing optimization after writing you first code) Q3. Design a Database schema for X.com. Focused functionality only Post by a User. [Users, Posts] Q4. Write a query to fetch the total number of posts by each user. Q5. Scenario: If your application is down at night and you got a call from the supporting team in early morning then what will be your approach to analyze the issue? Q6. How will you design an application like Amazon? You need to go live asap. [Define microservices, serverless architecture, databases to be used, Search product functionality, etc] Q7. Explain the flow of request to response when you hit a URL in your browser. Q8. Difference between SQL and NoSQL. When you decide to use SQL and NoSQL.
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Senior Java Developer

Interviewed at OpSec Security Group

2.6★
Mar 11, 2025

3rd Round: Q1. A question related to word search in file (check inverted index) Q2. Scenario: Let’s say if you have written a code in a Hurry and deployed. Have you ever gone through the code again and thought if I can optimize this code further? (Since in the interview you’re doing optimization after writing you first code) Q3. Design a Database schema for X.com. Focused functionality only Post by a User. [Users, Posts] Q4. Write a query to fetch the total number of posts by each user. Q5. Scenario: If your application is down at night and you got a call from the supporting team in early morning then what will be your approach to analyze the issue? Q6. How will you design an application like Amazon? You need to go live asap. [Define microservices, serverless architecture, databases to be used, Search product functionality, etc] Q7. Explain the flow of request to response when you hit a URL in your browser. Q8. Difference between SQL and NoSQL. When you decide to use SQL and NoSQL.

java featuresQ #1) What is JAVA? ... Q #2) What are the features of JAVA? ... Q #3) How does Java enable high performance? ... Q #4) Name the Java IDE's? ... Q #5) What do you mean by Constructor? ... Q #6) What is meant by the Local variable and the Instance variable? ... Q #7) What is a Class?
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Senior Java Developer

Interviewed at Ayush Software

3.6★
Dec 9, 2022

java featuresQ #1) What is JAVA? ... Q #2) What are the features of JAVA? ... Q #3) How does Java enable high performance? ... Q #4) Name the Java IDE's? ... Q #5) What do you mean by Constructor? ... Q #6) What is meant by the Local variable and the Instance variable? ... Q #7) What is a Class?

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