✅ Round 1: Core Technical Interview Focus Areas: Core Java (OOP, Exception Handling, Collections, Multithreading) Java 8 Features – Stream API, Lambda, Functional Interfaces Spring Boot – Annotations, REST APIs, Spring Security, JPA SQL/Database – Joins, Indexing, Optimization Problem Solving – Coding or logic-based questions Sample Questions: Difference between HashMap and ConcurrentHashMap How does Spring Boot auto-configuration work? Write a code to find the first non-repeating character. Explain how microservices communicate and handle failures. ✅ Round 2: Advanced/Architectural or Managerial Tech Round Focused on: Project architecture, responsibilities Real-time problem-solving System design basics (may be asked at 4+ years) Best practices, version control, and debugging Scenario-based questions: “How would you handle X in a microservices system?” 🔹 3. Managerial/HR Round Behavioral + Project Discussion Your role in the project, challenges faced Strengths/Weaknesses