Evolving DoorDash’s Substitution Recommendations Algorithm

When expanding from made-to-order food delivery to new product verticals like groceries, convenience, and retail, new challenges arise, including how to ensure inventory will be available to fulfill orders. As a business, we always want customers to receive all the items they ordered. For restaurant orders, this is easy to do because merchants offer relatively ... The post Evolving DoorDash’s Substitution Recommendations Algorithm appeared first on DoorDash Engineering Blog....