Basis Technologies Data Engineer Interview Questions
The questions to prepare for a Basis Technologies Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Approach for detecting and mitigating skew in PySpark pipelines using partitioning, join strategies, and runtime monitoring.
Basis TechnologiesTests understanding of distributed join mechanics and performance trade-offs.
Basis TechnologiesAssesses your ability to choose processing patterns for low-latency Basis-style advertising workflows.
Basis TechnologiesTests prioritization under pressure: balancing technical debt, delivery commitments, and stakeholder alignment with clear ownership.
Basis TechnologiesTests your troubleshooting method and ability to improve query performance reliably.
Basis TechnologiesEvaluates ability to implement tail-recursive solutions in Scala.
Basis TechnologiesAssesses practical experience with Scala, Spark, and SQL join design and troubleshooting.
Basis TechnologiesTests algorithmic thinking for in-place duplicate removal in a sorted array.
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Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.
Meta
Spotify
Meta ITRank Basis DSP users by credited revenue within each country using aggregation, a LEFT JOIN, and RANK().
Basis TechnologiesRank Motorola Solutions employees by total earnings using a LEFT JOIN, aggregation, COALESCE, and ROW_NUMBER.
Motorola Solutions
Motorola