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JD Tech
JD Tech
Jan 18, 2023 · Backend Development

Best Practices for JD Retail Reverse Order Fulfillment: B‑PaaS Architecture, Domain Modeling, and System Upgrade

This article presents JD Retail's reverse order fulfillment platform, detailing the business background, product and system support, comprehensive domain‑modeling methodology, challenges, verification, and the practical B‑PaaS engineering architecture that enables high‑concurrency, multi‑role processing and streamlined maintenance of complex legacy systems.

B-PaaSDomain ModelingSystem Architecture
0 likes · 16 min read
Best Practices for JD Retail Reverse Order Fulfillment: B‑PaaS Architecture, Domain Modeling, and System Upgrade
JD Retail Technology
JD Retail Technology
May 8, 2021 · Backend Development

Design and Evolution of JD's Billion‑Scale Billing System

This article details the architectural design, evolutionary stages, and core components of JD's massive billing system, covering its compliance, componentization, B‑PaaS strategy, unified business identity, dynamic calculation models, and extensible domain‑driven framework for large‑scale financial transaction processing.

B-PaaSBackend EngineeringFinancial Services
0 likes · 10 min read
Design and Evolution of JD's Billion‑Scale Billing System