System Design

Propose a high-level design for a backup system that can handle millions of incremental backups daily.

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1 answer published. Last candidate submission on Jul 19 2026, 12:36pm PDT. Interview question asked to Production Engineers, Engineering Managers, Site Reliability Engineering Managers and other roles interviewing at AppFolio, AT&T, VMware and other companies. Original question asked: Propose a high-level design for a backup system that can handle millions of incremental backups daily.. Question last reported by a candidate interviewing at Intercom for a Technical Program Manager interview on Jun 19 2026, 10:53am PDT.