5 Microservices Interview Questions for Senior Java Developers (with Detailed Answers)

Microservices architecture is a key pattern in modern software development, especially in large-scale, distributed systems. Senior Java developers need to handle challenges like scaling, versioning, and ensuring data consistency. Here are five scenario-based questions often encountered in interviews, along with detailed answers.

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1. A sudden and unexpected load spike is causing some of your microservices to fail under pressure. How would you address this problem while ensuring minimal disruption?

Answer:

You can follow below approaches:

Autoscaling: Implement horizontal autoscaling to dynamically scale up your microservice instances in response to increased traffic. For cloud environments like AWS or Kubernetes, set up automatic scaling policies…