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Top 50 event processing Interview Questions

The most frequently asked event processing questions across all roles and companies, ranked by real interview frequency. Updated daily.

50questions
~7htotal time
219companies covered
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1
CodingStart here. 5 questions · ~43 min
Count Users Per Funnel StepHard
Practice
Recently asked

Count unique users reaching each Faire funnel step in order using per-user state and a single event-log scan.

event processingFaire
Efficient Event Stream ProcessingHard
Practice

Process a timestamped Box event stream and detect users accessing enough distinct files within a rolling window.

event processingperformance optimizationBox
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2
Pipelines36 questions · ~312 min
Design High-Throughput Event PipelineHard
Recently asked

Design a real-time event pipeline that can handle millions of events per second with sub-second latency.

data pipelineevent processinglatencyAlpacaKDA ConsultingAltimate.Ai
Real-Time Data Processing DesignHard
Recently asked

Design a fault-tolerant real-time processing pipeline with low latency, reliable delivery, replay, data quality, and scalable serving.

data pipelineInfrastructureStream ProcessingBain & CompanyPPLAUD AIFidelity TalentSource
Real-Time Data Processing DesignHard
Recently asked

Design a fault-tolerant real-time processing system covering ingestion, stream processing, storage, serving, monitoring, and recovery.

data pipelineInfrastructureStream ProcessingEpsilonAnvilogicBrunswick
Real-Time Processing with PipelinesHard
Recently asked

Explain how you design, operate, and recover real-time data pipelines with reliable processing, quality checks, and low latency.

Data Qualityevent processingdata pipelinesHHitachi RailAir Space IntelligenceCCore4ce
Real-Time Fraud DetectionHard

Design a resilient streaming pipeline for real-time Capital One credit card fraud detection, enrichment, scoring, and downstream decisioning.

Data QualityStream Processingevent processingRose InternationalCapital One
Real-Time Robotics Data ProcessingHard
Recently asked

Design a fault-tolerant real-time pipeline for robotics telemetry, commands, events, and operational analytics in autonomous factories.

Data QualityInfrastructureStream ProcessingBee RoboticsHadrian Automation
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3
System Design9 questions · ~78 min
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