About the Team This is a platform engineering role — the Derivator platform is a shared service powering 15+ business domains across Walmart (inventory exception, replenishment, fulfillment path eligibility, one-day shipping, seller eligibility, gifting, cross-border shipping restrictions, customer subscriptions, and more). Derivator is a high-scale, domain-agnostic rule derivation platform that processes hundreds of thousands of events per second with 99.99% availability, powering critical business decisions across inventory, fulfillment, seller eligibility, shipping restrictions, and customer experiences at Walmart scale.