Tech Screening

Shadow and canary rollout

When would you use shadow traffic instead of a canary for a new model, and what can shadowing not prove?

What this task practices

Shadow and canary rollout is a tech screening interview exercise that trains prompt interpretation, explicit assumptions, a concrete response, and a clear explanation of tradeoffs. The catalog marks it as medium difficulty. It focuses on Tradeoffs, Validation, Technical Reasoning. The signed-in workspace provides the tools for the round and evaluates the attempt against task-specific criteria. Reference solutions, hidden checks, evaluator instructions, and candidate work remain private.