I applied online. The process took 3 days. I interviewed at Deloitte (Hyderābād) in Jul 2026
Interview
Interview process was good ,gave my first round
Questions asked where how Hashmap internally works and how to fix race condition and what is rehashing
Also asked what are advantages of spring boot over spring framework
Interview questions [1]
Question 1
how Hashmap internally works and how to fix race condition and what is rehashing
I applied through a recruiter. I interviewed at Deloitte in May 2026
Interview
The interview process consists of four rounds: L1 Technical Round, L2 Technical Round, optional L3 Round, Managerial Round, and HR Round. I successfully completed the initial discussion and am waiting for updates regarding the next stages of the recruitment process.
Interview questions [1]
Question 1
L-1:
Top10Employees list using Java 8 streams.
Salary > 50000/- using Java 8 streams
Salary > 50000/- and age < 40 (DOB) using Java 8 streams
{1,2,3,4,5} sum = 6
Output {1,5} {2,4} using loops
Questions:
Java8 streams
Functional interfaces
HashMap internally working
Red black tree
@SpringBoot Application
What happens without giving to the query params in @put method
Schedulers
CB pattern
Uses of Kafka
L-2:
Spring boot & Microservices architect
How to communicate Micro services
How to call external APIs
The whole interview process was a little longer, but in general, very professional. They asked me much about Most Java related questions, architecture styles, design patterns, how to solve some specific problems, databases with ORM and Hibernate, Spring boot related topics in much detail, microservices and orchestrations, Kafka, AWS, Azure cloud and all about cloud infra strucutre
Interview questions [1]
Question 1
Most Java related questions, architecture styles, design patterns, how to solve some specific problems, data bases with ORM and Hibernate, Spring boot related topics in much detail, microservices and orhcestrations, Kafka, AWS, Azure cloud and all about cloud infrastructure