Kovai Interview Questions
The questions to prepare for Kovai interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.
KovaiBuild a daily series and compute a 30-day trailing moving average of task bookings using window functions.
TaskRabbit
RBCUse Floyd’s two-pointer algorithm to determine whether a singly linked list contains a cycle.
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Identify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.
KovaiDesign a URL shortening service that routes, ranks, and monitors links at scale.
KovaiExplain how you integrated automated testing into a CI/CD pipeline while balancing coverage, speed, and release risk.
KovaiExplain how to train and evaluate a classifier when the positive class is rare and accuracy is misleading.
KovaiDiagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.
KovaiDefine a success metric for a new feature that captures real user value, not just raw usage.
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