HARDSystem Design
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Handle cache-update conflicts in distributed services
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eBay Interview Questions
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MEDIUMSystem Design
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Design an Ad Assignment API
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MEDIUMSystem Design
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Design a Relational-to-DynamoDB Migration System
Change Data CaptureDynamoDB Data ModelingDual-Write/Dual-Read PatternsIdempotency and Distributed Transactions
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HARDSystem Design
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Design an online marketplace for buying and selling
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MEDIUMAnalytics & Experimentation
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Diagnose Declining Email Click-Through Rate
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HARDBehavioral & Leadership
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Answer senior behavioral questions
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MEDIUMSystem Design
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Design a Top-K trending service
Streaming Data Processing FrameworksDistributed Counting and AggregationSliding Window Algorithms and Data StructuCaching Strategies
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MEDIUMBehavioral & Leadership
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Describe services you built and lessons learned
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MEDIUMBehavioral & Leadership
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Why eBay and your weakness?
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MEDIUMSoftware Engineering Fundamentals
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Explain Redis/MySQL internals and containers vs VMs
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MEDIUMProduct / Decision Making
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MEDIUMSystem Design
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MEDIUMCoding & Algorithms
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MEDIUMCoding & Algorithms
AI Prep
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MEDIUMCoding & Algorithms
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MEDIUMSystem Design
AI Prep