Microservices Interview Questions & Assessment
Evaluate microservices architecture skills including service boundaries, inter-service communication, saga patterns, and observability.
Why Microservices Matters
Microservices power Netflix, Amazon, Uber, and most large-scale applications. Understanding distributed architecture is essential for senior engineering roles.
Sample Interview Questions
How do you decide where to draw service boundaries? What is domain-driven design?
Explain the saga pattern. Compare choreography and orchestration approaches.
How do you handle distributed transactions across microservices?
What is service mesh? Explain the sidecar pattern and when you need it.
How would you implement service discovery? Compare client-side and server-side approaches.
How to Prepare
Understand when to use microservices vs monoliths — it is not always better
Know communication patterns: sync (REST/gRPC) vs async (events/messages)
Master observability: distributed tracing, centralized logging, metrics
Understand data management: database per service, event sourcing, CQRS
Know the challenges: network latency, partial failure, eventual consistency
Related Skills
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