System designLevel 4
ML systems
Easynot started
Mediumnot started
Hardnot started
StatusFormatCompany style
Easy
Review sentiment scores for sellersDesignDesign25 minSimilar recipes shelfDesignDesign25 minSpam filter for a hobby forumDesignDesign25 minSpending categories in a budgeting appDesignDesign25 minPrice suggestions for secondhand listingsDesignDesign30 minMedium
Grocery typeahead with inventoryDesign · Walmart styleWalmart styleDesignWalmart style40 minPeople you may knowDesign · Microsoft styleMicrosoft styleDesignMicrosoft style45 minContinuous ETA model retraining pipelineDesign · DoorDash styleDoorDash styleDesignDoorDash style40 minSelf-driving data labelingDesign · Tesla styleTesla styleDesignTesla style40 minNearby searchDesign · Google styleGoogle styleDesignGoogle style40 minLocation-biased place autocompleteDesign · Google styleGoogle styleDesignGoogle style35 minReal-time global leaderboardDesignDesign40 minReal-time engagement featuresDesign · Amazon styleAmazon styleDesignAmazon style40 minNear-duplicate media detectionDesign · Google styleGoogle styleDesignGoogle style40 minShadow deployment for fraud modelsDesign · Stripe styleStripe styleDesignStripe style40 minMobile game leaderboardDesignDesign30 minFull-text search for docsDesignDesign40 minHard
Live-comments during eventsDesign · Amazon styleAmazon styleDesignAmazon style45 minPodcast home feedDesign · Spotify styleSpotify styleDesignSpotify style55 minVacation rental rankingDesign · Airbnb styleAirbnb styleDesignAirbnb style55 minReal-time personalization serviceDesign · Amazon styleAmazon styleDesignAmazon style50 minSponsored search rankingDesign · Amazon styleAmazon styleDesignAmazon style55 minCart recommendationsDesign · Amazon styleAmazon styleDesignAmazon style50 minVideo feed ranking servingDesign · Google styleGoogle styleDesignGoogle style45 minFeature store with point-in-time correctnessDesign · Uber styleUber styleDesignUber style45 minModel monitoring without ground truthDesign · Capital One styleCapital One styleDesignCapital One style40 minEmbedding model migration zero-downtimeDesign · Amazon styleAmazon styleDesignAmazon style45 minSparse-traffic model serving platformDesign · Amazon styleAmazon styleDesignAmazon style45 minReal-time feature aggregationDesign · Uber styleUber styleDesignUber style45 min