1 answer published. Last candidate submission on Jul 19 2026, 12:36pm PDT. Interview question asked to Technical Program Managers, Software Engineers, Site Reliability Engineering Managers and other roles interviewing at Stitch Fix, Lattice, Fidelity Investments 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 Course Hero for an Engineering Manager interview on Jun 19 2026, 10:53am PDT.