Design an Inventory Management System
Company: Instacart
Role: Software Engineer
Category: System Design
Difficulty: hard
Interview Round: Onsite
Overview: Design an inventory platform for receipts, reservations, releases, adjustments, fulfillment, and movement history across locations. The case examines atomic oversell prevention, idempotent ledgers, expiring holds, transfers, repairable projections, physical reconciliation, and cache consistency.
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