Optum Technology Interview Questions
The questions to prepare for Optum Technology interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Use a hash map to find two array elements that sum to a target in O(n) time.
Optum TechnologyExplain how you would manage scope creep without damaging stakeholder trust or putting delivery at risk.
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Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.
Optum TechnologyExplain the bias-variance tradeoff and how it guides model choice, regularization, and generalization performance.
Optum TechnologyDesign a production ranking system with robust feature drift monitoring across batch and real-time features at high QPS.
Optum TechnologyAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
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Benjamin MooreCompute per-vehicle daily autonomous vs manual seconds from state-change logs using LEAD and conditional aggregation.
Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
WaymoDiagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.
Optum TechnologyExplain how a primary metric differs from a guardrail metric and how both are used in A/B test decisions.
Optum TechnologyExplain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.
Optum Technology