Ingeniero De Software Senior Java Interview Questions

Sr Java/Spring Developer

Interviewed at Decathlon

4★

Jun 19, 2025

How would you design a scalable and thread-safe service to handle high-concurrency transactions in a Spring Boot microservices architecture?

Senior Java Developer

Interviewed at Picnic

3.3★

Apr 7, 2023

Implement a method for reading from the input (Java IO, System.in, or just basically a file), mapping that input into objects, and writing those objects to the output (System.out). You can use any library of your choice to solve that problem

Senior Java Developer

Interviewed at Zensar Technologies

3.7★

Apr 18, 2023

Basic Java questions core Java, spring boot, microservices

Senior Software Engineer - Java

Interviewed at Apple

4.1★

Feb 17, 2022

None what I am allowed to disclose.

Senior Java Developer

Interviewed at Accesa

4★

Apr 1, 2025

Which are the steps you do if an application runs slowly?

Senior Java Developer

Interviewed at Verizon

3.6★

Aug 4, 2024

java coding in as per jd

Wise - Senior Software Engineer I - Wise for Enterprise - Java

Interviewed at Wise

3.7★

Feb 17, 2026

The second round was a live pair programming session on HackerRank. The task was to implement a Circuit Breaker pattern.

Senior Java Developer

Interviewed at Mphasis

3.4★

Mar 2, 2026

Stream api related question and easy leetcode question

Senior Java Developer

Interviewed at Persistent Systems

4.1★

Mar 5, 2025

Coding questions based on stream api, sql queries What is dockerfile Thread safety etc

Senior Java Developer

Interviewed at QBurst

4.1★

Mar 7, 2025

highest second number in array, java streams, time complexity, batch processing, how to upload a csv file, performance for large dataset, spring batch, sql relationships, boxing in java, is List or List better