Data
All interview questions related to Data
5 Questions
1 Categories
5 Advanced
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🏗️ System Design
Design a Real-Time Analytics Pipeline
AdvancedDesign a pipeline to ingest, process, and query billions of events per day with second-level latency and exactly-once semantics.
45 min•System-Design
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Design Ad Impression & Click Tracking
AdvancedDesign an ad event pipeline for impressions, clicks, and conversions with deduplication, fraud detection, and near-real-time reporting.
45 min•System-Design
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Design a Recommendation Service
AdvancedDesign a recommendations system (e.g., “people you may know” or product recs) with offline training, nearline updates, and real-time ranking.
45 min•System-Design
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Design an ML Feature Store
AdvancedDesign an ML feature store that supports offline feature engineering and online low-latency serving with consistency guarantees.
45 min•System-Design
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Design an A/B Experimentation Platform
AdvancedDesign an experimentation platform supporting randomization, exposure logging, guardrails, sequential testing, and per-metric analysis at scale.
45 min•System-Design
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