Interview prompt
Problem context
A new product may attract between 50,000 and 5 million users in its first week. One request can trigger variable compute and third-party calls, provider quotas take days to raise, and leadership expects a global launch date. Build the capacity and rollout plan.
Skills being evaluated
uncertainty modelingload testinglaunch governancedegradation planning
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