Client Profile: Fast-Growing Omnichannel Apparel & Footwear Retailer ($650M Annual GMV).
Challenge: High-velocity promotional flash sales caused repeated overselling, cancellation rates over 8%, and 28% split-shipment penalties.
Microservices System Architecture
Deployed high-concurrency KeyDB in-memory ledgers backed by Kafka event streams, decoupling the e-commerce frontend from the legacy core ERP.