Milliman Data Engineer Interview Questions
The questions to prepare for a Milliman Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Detect cycles with Floyd's algorithm, then reverse an acyclic Kraft Heinz product feed linked list in place.
MillimanExplain encapsulation, abstraction, inheritance, and polymorphism with examples and simple Java illustrations.
MillimanCompare generator expressions and list comprehensions by memory usage, execution model, and when each is preferable.
MillimanCalculate the longest consecutive login streak for each user using window functions and date manipulations.
MillimanExplain how FULL OUTER JOIN and LEFT JOIN differ when reconciling customer records across systems.
MillimanExplain normalization, why it improves data integrity, and when denormalization is a practical performance tradeoff.
MillimanFind the second highest salary in each department without using aggregate functions.
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Cisco Restaurant + BarUse CTEs, aggregations, and window functions to compare gender pay and find each department's second-highest salary.
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Approach for detecting and mitigating skew in PySpark pipelines using partitioning, join strategies, and runtime monitoring.
MillimanTests Spark concepts like lazy evaluation and how they affect execution planning and performance.
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