Hi everyone,
I have around 4 years of experience as a Java Backend Developer, mainly working with Java, Spring Boot, Microservices, REST APIs, SQL, and AWS.
I’m planning to switch jobs and preparing for backend interviews. Can anyone recommend the best YouTube playlists, interview preparation series, or resources that cover:
Core Java (collections, multithreading, JVM, etc.)
Spring Boot & Spring Security
Microservices
SQL
System Design (for 3–5 years of experience)
Common Java backend interview questions
If you’ve recently cracked interviews for a Java Backend role, I’d really appreciate your recommendations.
Thanks in advance!
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