Practice

Prepare for Amazon

The problems worth doing for this kind of loop — grouped by what the round tests, not by leaked question lists.

Practice problems, with your status, difficulty and topics
Status	Problem	Format	Level
Not started	Design a chat serviceconsistencydistributed-systemshldsystem-design	Written	hard
Not started	Design a collaborative document editorconsistencydistributed-systemshldsystem-design	Written	hard
Not started	Design a distributed key-value storeconsistencydistributed-systemshldsystem-design	Written	hard
Not started	Design a file sync serviceconsistencyhldstoragesystem-design	Written	hard
Not started	Design a payment system and ledgerconsistencyhldreliabilitysystem-design	Written	hard
Not started	Design a post and follow-graph serviceconsistencydistributed-systemshldsystem-design	Written	hard
Not started	Design a ticket booking systemconcurrencyconsistencyhldsystem-design	Written	hard
Not started	Design an ad click aggregation pipelineconsistencyhldqueuessystem-design	Written	hard