Interview prompt
Problem context
A monolith supports a growing business and fifteen teams. Deployments are slow, schema ownership is unclear, and changes create cross-team coordination, but most runtime scaling is adequate. Leadership asks for a microservices migration. Propose a safer evolution strategy.
Skills being evaluated
modular architectureteam boundariesmigration sequencingtrade-off judgment
The full reasoning guide is part of Pro
The scenario and evaluation focus above remain public. Pro unlocks the structured answer, trade-off analysis, follow-up probes, common weak answers, rubric, related reasoning, and any architecture diagram.
Sign in to continueWhat the full guide covers
Clarify the decision
Establish scale assumptions
Functional and non-functional requirements
High-level architecture
Data model and flow
Consistency and transaction boundaries
Failure modes and recovery
Security and privacy
Observability and SLOs
Capacity and cost
Alternatives and trade-offs
Evolution and migration
What Staff and Principal candidates should emphasize