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JD Retail Technology

Official platform of JD Retail Technology, delivering insightful R&D news and a deep look into the lives and work of technologists.

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Latest from JD Retail Technology

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JD Retail Technology
JD Retail Technology
Jan 22, 2026 · Operations

How JD Global Sales Boosted UI Test Speed by 100× with a Three‑Layer Multilingual Testing Framework

This article outlines JD Global Sales' multilingual testing challenges, the three‑layer interface‑page‑user‑flow testing architecture, automation and AI‑driven strategies that delivered over 100× UI efficiency and 70%+ API gains while paving the way for continuous globalized quality assurance.

E-commerceGlobalizationMultilingual Testing
0 likes · 13 min read
How JD Global Sales Boosted UI Test Speed by 100× with a Three‑Layer Multilingual Testing Framework
JD Retail Technology
JD Retail Technology
Jan 13, 2026 · Backend Development

Deep Dive into Kafka, RocketMQ, and JMQ Storage Architectures

This article compares the storage models, data organization, indexing, read/write processes, and performance trade‑offs of three major message queues—Kafka, RocketMQ, and JMQ—providing detailed technical insights for architects and engineers making storage‑related design decisions.

Backend EngineeringJMQKafka
0 likes · 16 min read
Deep Dive into Kafka, RocketMQ, and JMQ Storage Architectures
JD Retail Technology
JD Retail Technology
Jan 8, 2026 · Artificial Intelligence

Uni-Layout: Unified Cross-Task Layout Generation with Human-Aligned Evaluation

Uni-Layout introduces a unified layout generation framework that consolidates diverse design tasks, leverages multimodal large language models for flexible generation, and aligns outputs with human perception through a novel human‑feedback dataset (Layout‑HF100k) and a dynamic margin preference optimization (DMPO) evaluator.

ACM MultimediaHuman Feedbackdynamic margin optimization
0 likes · 11 min read
Uni-Layout: Unified Cross-Task Layout Generation with Human-Aligned Evaluation
JD Retail Technology
JD Retail Technology
Dec 25, 2025 · Backend Development

How We Rebuilt a 15‑Year‑Old Review Platform: From Monolithic Code to a Scalable DDD‑Driven Architecture

This article details the complete redesign of a fifteen‑year‑old e‑commerce review system, covering its legacy pain points, the strategic choice of a full‑stack reconstruction using Domain‑Driven Design, the new layered micro‑service architecture, data migration tactics, operational challenges, organizational safeguards, and the measurable performance gains achieved after launch.

DDDarchitecturebackend
0 likes · 35 min read
How We Rebuilt a 15‑Year‑Old Review Platform: From Monolithic Code to a Scalable DDD‑Driven Architecture
JD Retail Technology
JD Retail Technology
Dec 11, 2025 · Artificial Intelligence

How GIN-Based Cohort Modeling Boosts Cold-Start CTR Prediction by 2%

This article explains a SIGIR 2025 paper that tackles cold‑start click‑through‑rate prediction in JD's ad system by using a Graph Isomorphism Network‑based cohort modeling framework, detailing its three‑module architecture, extensive experiments on public and industrial datasets, and a live deployment that achieved a 2.13% CTR lift.

CTR predictionGinGraph Neural Network
0 likes · 9 min read
How GIN-Based Cohort Modeling Boosts Cold-Start CTR Prediction by 2%
JD Retail Technology
JD Retail Technology
Dec 4, 2025 · Artificial Intelligence

Twin Networks Reveal How to Optimize Data Mixtures for Large Language Models

This article presents TANDEM, a bi‑level data‑mixture optimization framework that uses twin networks to automatically adjust domain‑specific training data ratios, offering theoretical guarantees, broader applicability, and significant performance gains across pre‑training, fine‑tuning, and e‑commerce product‑understanding tasks.

Large Language ModelsNeurIPSbi-level optimization
0 likes · 6 min read
Twin Networks Reveal How to Optimize Data Mixtures for Large Language Models