Had an interview for java backend with 3 yr of experience , mainly focus is on SpringBoot, Java Collection, Multithreading for 1st Round. This is the JD they give me: Required Skills: Minimum 2+ years of experience in Java development Strong proficiency in Core Java, Spring Framework (Spring Boot, Spring MVC), Hibernate/JPA. Hands-on experience with RESTful APIs, Microservices architecture, and multi-threaded programming. Proficiency in SQL/PL-SQL and databases (Postgres, MongoDB) and and ability to optimize SQL queries Solid understanding of security best practices (OAuth2, JWT, etc.) Experience with DevOps practices, CI/CD pipelines, Git, and build tools like Maven or Gradle. Familiarity with frontend integration (Angular is a plus). Excellent analytical and problem solving skills