Retail Engineering: Online + Brick-and-Mortar Metrics
An engineering director at a 400-store regional retailer put it cleanly: "Every time we ship a feature that makes the website faster, we hear applause from marketing. Every time we ship a feature that lets a store associate do their job in half the clicks, we hear silence — and then the quarterly numbers move." Retail engineering is the discipline of serving two populations (shoppers and store associates) and two physical realities (the warehouse and the store floor) from the same codebase.
McKinsey's 2024 State of Retail report found that 73% of shoppers used multiple channels for a single purchase journey — browse mobile, try in-store, buy online, return curbside. Every one of those transitions is an engineering surface: the product-detail page has to know store availability, the BOPIS (buy online, pickup in store) flow has to reserve inventory atomically, the returns kiosk has to un-reserve it. A 2023 IHL Group study documented $1.75 trillion in global retail out-of-stock losses — many of which trace back to inventory-service latency or sync failures, not physical stockouts.