Questions
Status
Cache with single-flightMediumDesignDesignMedium35 minDistributed rate limiting proxyMediumDesignStripe styleDesignStripe styleMedium40 minDatabase connection pooling proxyMediumDesignDesignMedium40 minCentralized egress proxyMediumDesignDesignMedium40 minConnection pool proxyMediumDesignDesignMedium35 minVersioned object store with lifecycleMediumDesignAmazon styleDesignAmazon styleMedium35 min
Order-dispatch queueMediumDesignDoorDash styleDesignDoorDash styleMedium35 minMulti-channel notification platformMediumDesignDesignMedium40 minPresence system for team chatMediumDesignSalesforce styleDesignSalesforce styleMedium35 minDelayed job queueMediumDesignDesignMedium35 minActivity-digest aggregationMediumDesignDesignMedium40 min3-D Secure payment reconciliationMediumDesignStripe styleDesignStripe styleMedium40 minReal-time location sharingMediumDesignApple styleDesignApple styleMedium40 minLive order tracking and ETAMediumDesignDoorDash styleDesignDoorDash styleMedium40 minAlert routing and deduplicationMediumDesignDesignMedium35 minLog live tail streamingMediumDesignDesignMedium35 minMulti-tenant event fan-outMediumDesignSalesforce styleDesignSalesforce styleMedium40 minDirectory sync serviceMediumDesignMicrosoft styleDesignMicrosoft styleMedium40 minLive DVR and time-shiftMediumDesignComcast styleDesignComcast styleMedium40 minMusic streaming and offline downloadsMediumDesignSpotify styleDesignSpotify styleMedium40 minLive event chat at scaleMediumDesignAmazon styleDesignAmazon styleMedium45 minDelayed job schedulerMediumDesignStripe styleDesignStripe styleMedium40 minNotification batching systemMediumDesignDesignMedium40 minDesign reverse proxy connection poolingMediumDesignDesignMedium35 minWebhook receiver with out-of-order eventsMediumDesignStripe styleDesignStripe styleMedium35 minLive courier trackingMediumDesignDoorDash styleDesignDoorDash styleMedium45 minFootfall dwell analyticsMediumDesignDesignMedium45 minPoison message handlingMediumDesignDesignMedium30 minToken-authorized CDN media deliveryMediumDesignNetflix styleDesignNetflix styleMedium40 minMulti-channel notification orchestrationMediumDesignDoorDash styleDesignDoorDash styleMedium40 minIoT device pub-sub and commandsMediumDesignAmazon styleDesignAmazon styleMedium45 minSmall team chatMediumDesignDesignMedium35 minNotification sender with retryMediumDesignDesignMedium35 minWebhook deliveryMediumDesignStripe styleDesignStripe styleMedium30 minHigh-volume webhook deliveryMediumDesignStripe styleDesignStripe styleMedium40 minSupport ticket routing and SLAMediumDesignServiceNow styleDesignServiceNow styleMedium40 minReal-time personalization shelfMediumDesignNetflix styleDesignNetflix styleMedium45 minJob queue with worker poolMediumDesignDesignMedium40 minConnection pool coordinatorMediumDesignDesignMedium35 minServer-sent event fan-outMediumDesignDesignMedium40 minPresence status serviceMediumDesignMeta styleDesignMeta styleMedium40 minEvent sourcing append-only storeMediumDesignDesignMedium40 min
Log ingest with PII redactionMediumDesignCapital One styleDesignCapital One styleMedium35 minEnterprise dashboarding backendMediumDesignDesignMedium35 minMulti-device session managementMediumDesignNetflix styleDesignNetflix styleMedium35 minOAuth 2.0 authorization serverMediumDesignGoogle styleDesignGoogle styleMedium40 minAPI key management and revocationMediumDesignStripe styleDesignStripe styleMedium35 minRBAC with delegationMediumDesignServiceNow styleDesignServiceNow styleMedium35 minSession revocation across stateless serversMediumDesignDesignMedium40 minOAuth consent and scope managementMediumDesignGoogle styleDesignGoogle styleMedium40 min