Questions
Status
Immutable ledger correctionsMediumDesignStripe styleDesignStripe styleMedium40 minStored-value wallet with promo expiryMediumDesignPayPal styleDesignPayPal styleMedium35 minAuthorize-then-capture with expiryMediumDesignStripe styleDesignStripe styleMedium40 minTransactional outbox patternMediumDesignDesignMedium35 minStream-batch reconciliationMediumDesignStripe styleDesignStripe styleMedium35 minSession consistency across replicasMediumDesignMeta styleDesignMeta styleMedium40 minWorkflow instance locking and recoveryMediumDesignStripe styleDesignStripe styleMedium40 minLibrary checkout and holdsMediumDesignDesignMedium35 minCoupon redemption serviceMediumDesignDesignMedium35 minEvent ticket check-inMediumDesignDesignMedium35 minInventory trackerMediumDesignDesignMedium30 minMulti-tenant feature flagsMediumDesignDesignMedium40 minCoupon promotion engineMediumDesignShopify styleDesignShopify styleMedium40 minVersioned document storeMediumDesignAmazon styleDesignAmazon styleMedium35 min
WebSocket 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 min
Grocery typeahead with inventoryMediumDesignWalmart styleDesignWalmart styleMedium40 minPeople you may knowMediumDesignMicrosoft styleDesignMicrosoft styleMedium45 minContinuous ETA model retraining pipelineMediumDesignDoorDash styleDesignDoorDash styleMedium40 minSelf-driving data labelingMediumDesignTesla styleDesignTesla styleMedium40 minNearby searchMediumDesignGoogle styleDesignGoogle styleMedium40 minLocation-biased place autocompleteMediumDesignGoogle styleDesignGoogle styleMedium35 minReal-time global leaderboardMediumDesignDesignMedium40 minReal-time engagement featuresMediumDesignAmazon styleDesignAmazon styleMedium40 minNear-duplicate media detectionMediumDesignGoogle styleDesignGoogle styleMedium40 minShadow deployment for fraud modelsMediumDesignStripe styleDesignStripe styleMedium40 minMobile game leaderboardMediumDesignDesignMedium30 minFull-text search for docsMediumDesignDesignMedium40 minReal-time leaderboardMediumDesignDesignMedium35 minE-commerce recommendation shelfMediumDesignAmazon styleDesignAmazon styleMedium45 minVector search with metadata filterMediumDesignOpenAI styleDesignOpenAI styleMedium45 minChurn prediction batch pipelineMediumDesignNetflix styleDesignNetflix styleMedium35 minSemantic search with filtersMediumDesignAmazon styleDesignAmazon styleMedium35 minAutomated model retrainingMediumDesignDatabricks styleDesignDatabricks styleMedium35 minCold-start recommendationsMediumDesignAirbnb styleDesignAirbnb styleMedium35 min
On-device model deployment and telemetryMediumDesignApple styleDesignApple styleMedium40 minAd ranking inference latencyMediumDesignMeta styleDesignMeta styleMedium40 minAutomatic caption generation and alignmentMediumDesignGoogle styleDesignGoogle styleMedium40 minOn-device keyboard predictionMediumDesignGoogle styleDesignGoogle styleMedium45 minPrice a code review bot that runs a reasoning modelMediumSystem design with AI partsSystem design with AI partsMedium35 minPrice store search with a reranker billed per searchMediumSystem design with AI partsSystem design with AI partsMedium35 minWriting assistant in a notes appMediumDesignDesignMedium40 min