Reply Data Engineer Interview Questions
The questions to prepare for a Reply Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Assesses your ability to interpret and explain SQL logic for data engineering use cases.
ReplyFind the second highest salary in each department without using aggregate functions.
ReplyCalculate each user's 7-day rolling transaction average and daily spend rank using PostgreSQL window functions.
RakutenIdentify Revolut merchants with high payment failure rates and report related support-resolution metrics.
RevolutCompute the exact sum of two signed integers using XOR, AND, shifts, and fixed-width two's-complement logic.
ReplyDetermine whether two Cvent event code strings are anagrams using character frequency counting in linear time.
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Design a global real-time telemetry pipeline for 500,000 active vehicles with high availability, replayability, and strong data quality controls.
ReplyTests your ability to design memory-efficient approaches for large-scale data ingestion and processing.
ReplyEvaluates judgment on short-term delivery vs long-term maintainability.
ReplyAssesses data architecture decision making for client projects.
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