Practice

Problems

Sandboxed coding rounds that run against a hidden test suite, and written questions graded against a rubric. Both, in one list.

15 problemsClear filters

Practice problems, with your status, difficulty and topics
StatusProblemFormatLevel
Not startedDesign a chat serviceconsistencydistributed-systemshldsystem-designWrittenhard
Not startedDesign a collaborative document editorconsistencydistributed-systemshldsystem-designWrittenhard
Not startedDesign a distributed job schedulerdistributed-systemshldreliabilitysystem-designWrittenhard
Not startedDesign a distributed key-value storeconsistencydistributed-systemshldsystem-designWrittenhard
Not startedDesign a file sync serviceconsistencyhldstoragesystem-designWrittenhard
Not startedDesign a metrics and monitoring systemhldreliabilitystoragesystem-designWrittenhard
Not startedDesign a news feedcachingdistributed-systemshldsystem-designWrittenhard
Not startedDesign a payment system and ledgerconsistencyhldreliabilitysystem-designWrittenhard
Not startedDesign a post and follow-graph serviceconsistencydistributed-systemshldsystem-designWrittenhard
Not startedDesign a ride-matching servicedistributed-systemshldstoragesystem-designWrittenhard
Not startedDesign a ticket booking systemconcurrencyconsistencyhldsystem-designWrittenhard
Not startedDesign a video streaming servicecachinghldqueuessystem-designWrittenhard
Not startedDesign a web crawlerdistributed-systemshldstoragesystem-designWrittenhard
Not startedDesign an ad click aggregation pipelineconsistencyhldqueuessystem-designWrittenhard
Not startedDesign an object storage servicehldreliabilitystoragesystem-designWrittenhard