0–2 YOE: Monolith vs Microservices, API Gateway, Eureka, Docker, Spring Cloud basics 2–5 YOE: Circuit Breaker (Resilience4j), Saga Pattern, OpenFeign, Kafka vs RabbitMQ, Distributed Tracing, Idempotency 5–10 YOE: CQRS, Event Sourcing, Strangler Fig Pattern, Service Mesh, Outbox Pattern, Zero Trust / mTLS, Chaos Engineering Also included: Code snippets for each major concept (not just theory dumps) Architecture diagrams Quick-fire Q&As for last-minute revision Bulkhead, Sidecar, BFF, Canary Deployment questions that most guides skip Full article: https://javatechonline.com/java-microservices-interview-questions-answers/ submitted by /u/erdsingh24 [link] [comments]