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 daily.
Approach for detecting and mitigating skew in PySpark pipelines using partitioning, join strategies, and runtime monitoring.
Basis TechnologiesEvaluates how you design for correctness, ordering, and consistency in data pipelines.
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 TechnologiesAssesses practical experience with Scala, Spark, and SQL join design and troubleshooting.
Basis TechnologiesEvaluates ability to implement tail-recursive solutions in Scala.
Basis TechnologiesTests algorithmic thinking for in-place duplicate removal in a sorted array.
Basis TechnologiesTests your troubleshooting method and ability to improve query performance reliably.
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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 TechnologiesUse joins, aggregation, CTEs, ranking, and CASE logic to summarize customer sales by region.
Walmart Global Tech