Questions
Status
CDC pipeline with ordering guaranteesHardDesignDatabricks styleDesignDatabricks styleHard40 minDistributed transactions across servicesHardDesignAmazon styleDesignAmazon styleHard45 minOLTP-to-OLAP replication pipelineHardDesignSnowflake styleDesignSnowflake styleHard45 minDistributed booking sagaHardDesignAirbnb styleDesignAirbnb styleHard45 minGeo-partitioned ride-hailing databaseHardDesignUber styleDesignUber styleHard50 minPayment card tokenization vaultHardDesignStripe styleDesignStripe styleHard50 minDistributed block storageHardDesignAmazon styleDesignAmazon styleHard45 minWrite-ahead log replicationHardDesignDesignHard45 minDeduplicating backup systemHardDesignDesignHard45 minLarge object S3-like storeHardDesignAmazon styleDesignAmazon styleHard45 minWORM compliance object storeHardDesignAmazon styleDesignAmazon styleHard40 minDesign a globally-distributed edge counterHardDesignDesignHard45 minSafe consensus group reconfigurationHardDesignGoogle styleDesignGoogle styleHard50 minDelegated administration without escalationHardDesignSalesforce styleDesignSalesforce styleHard50 minStale permission prevention at scaleHardDesignGoogle styleDesignGoogle styleHard50 minBlob store garbage collectionHardDesignAmazon styleDesignAmazon styleHard45 minConsistent hashing viral key loadHardDesignGoogle styleDesignGoogle styleHard45 min
Team presence detectionEasyDesignDesignEasy25 minVanity redirect managerEasyDesignDesignEasy25 minLive polls during a webinarEasyDesignDesignEasy25 minVirtual queue for theme park ridesEasyDesignDesignEasy30 minShared grocery list that syncs between phonesEasyDesignDesignEasy30 minWebSocket price-tick serviceMediumDesignCoinbase styleDesignCoinbase styleMedium35 minReal-time game leaderboardMediumDesignDesignMedium35 minTyping indicators and read receiptsMediumDesignMeta styleDesignMeta styleMedium30 minPaid media CDN authorizationMediumDesignNetflix styleDesignNetflix styleMedium35 minFleet management backendMediumDesignTesla styleDesignTesla styleMedium40 minProximity marketing geofenceMediumDesignStarbucks styleDesignStarbucks styleMedium40 minCollaborative cursor presenceMediumDesignFigma styleDesignFigma styleMedium40 minImage and video deliveryMediumDesignMeta styleDesignMeta styleMedium40 minRead-replica routing layerMediumDesignDesignMedium35 minReal-time driver-rider matchingHardDesignUber styleDesignUber styleHard45 minExactly-once charge executionHardDesignStripe styleDesignStripe styleHard45 minReal-time collaborative editingHardDesignGoogle styleDesignGoogle styleHard50 minCollaborative whiteboard syncHardDesignFigma styleDesignFigma styleHard45 minMultiplayer state sync backendHardDesignDesignHard50 minGlobal payments data residencyHardDesignStripe styleDesignStripe styleHard50 minSpatial indexing driver matchingHardDesignUber styleDesignUber styleHard45 minWebSocket load balancingHardDesignDesignHard45 minLive streaming segment deliveryHardDesignAmazon styleDesignAmazon styleHard50 minGlobal traffic failoverHardDesignNetflix styleDesignNetflix styleHard45 minCode search indexingHardDesignMicrosoft styleDesignMicrosoft styleHard50 minCard payment authorization and routingHardDesignStripe styleDesignStripe styleHard50 minWallet balance with authorization holdsHardDesignUber styleDesignUber styleHard50 minDesign a transaction reconciliation systemHardDesignStripe styleDesignStripe styleHard55 minRider-to-driver matchingHardDesignUber styleDesignUber styleHard45 minOrder batching and courier assignmentHardDesignDoorDash styleDesignDoorDash styleHard50 minGPS ingestion pipelineHardDesignUber styleDesignUber styleHard45 minMap matchingHardDesignGoogle styleDesignGoogle styleHard50 minGeospatial datastore shardingHardDesignUber styleDesignUber styleHard45 min