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Latest from JD Tech Talk

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JD Tech Talk

Sep 4, 2026 · Mobile Development

Codex-Driven Mobile Full-Stack: From Relay Prototypes to Deliverable Pipelines

The article presents a methodology for mobile AI full-stack development using Codex, emphasizing contract management over code generation. It details parsing Relay prototypes into visual, interaction, data, business, and engineering contracts, a seven-step process with backend closing complex decisions, frontend executing design, AI generating within constraints, and dual visual-and-pipeline acceptance.

AI-assisted developmentAcceptance TestingCodex

0 likes · 27 min read

Codex-Driven Mobile Full-Stack: From Relay Prototypes to Deliverable Pipelines

JD Tech Talk

Jul 21, 2026 · R&D Management

How AI Can Finally Realize the Long‑Overdue Vision for Test Development

The article argues that AI will not replace test developers but can lower the high technical, business, organizational, and value‑proof costs that have kept the ideal test‑development role out of reach, enabling a shift from script writing to systematic quality‑capability building.

AIAutomationDevOps

0 likes · 23 min read

How AI Can Finally Realize the Long‑Overdue Vision for Test Development

JD Tech Talk

Jul 8, 2026 · Artificial Intelligence

Turning Business Processes into High‑Quality Skills: A Practical Path

The article analyzes the real pain points of AI‑driven business workflow automation, then details a step‑by‑step method using Codex Record & Replay to create, refine, and upgrade Skills—covering recording, SKILL.md generation, API migration, multi‑machine validation, and scheduled execution, illustrated with a JoyHR resume‑search case study.

AI automationAPI migrationBusiness workflow

0 likes · 11 min read

Turning Business Processes into High‑Quality Skills: A Practical Path

JD Tech Talk

Jun 25, 2026 · Artificial Intelligence

JD Donates Oxygen xLLM Inference Engine to OpenAtom, Boosting China’s AI Infra Ecosystem

On June 24, 2026 JD announced the donation of its Oxygen xLLM large‑model inference engine to the OpenAtom Open Source Foundation, detailing its service‑engine decoupled architecture, performance breakthroughs, heterogeneous chip support, and real‑world gains in e‑commerce, power‑grid and public‑safety applications while outlining a roadmap for broader ecosystem co‑building and standards leadership.

AI InfrastructureEngineering IntelligenceLarge Model Inference

0 likes · 7 min read

JD Donates Oxygen xLLM Inference Engine to OpenAtom, Boosting China’s AI Infra Ecosystem

JD Tech Talk

Jun 23, 2026 · Artificial Intelligence

From Q&A to Real‑Time Seeing and Speaking: JD’s World‑First Open‑Source JoyAI‑VL‑Interaction

JD’s open‑source JoyAI‑VL‑Interaction model transforms large‑language models from static question‑answering to continuous visual‑language interaction, enabling proactive judgment, instant responses, and intelligent task delegation, with benchmark win rates up to 87.9% against leading competitors and full stack code, model, and dataset released for real‑world deployment.

AI assistantJoyAI-VL-InteractionOpen Source Model

0 likes · 9 min read

From Q&A to Real‑Time Seeing and Speaking: JD’s World‑First Open‑Source JoyAI‑VL‑Interaction

JD Tech Talk

Jun 11, 2026 · Artificial Intelligence

How JD’s Open‑Source JoyAI‑Echo Overcomes the Three Biggest Long‑Video Generation Challenges

JoyAI‑Echo, JD’s newly open‑sourced long‑video generation framework, tackles character inconsistency, voice instability, and slow rendering by introducing a cross‑modal memory bank, memory‑driven training with DMD for 7.5× speedup, a conversational Director Agent, and real‑time super‑resolution, achieving leading benchmark scores and high user preference.

AI video generationDirector Agentbenchmark

0 likes · 6 min read

How JD’s Open‑Source JoyAI‑Echo Overcomes the Three Biggest Long‑Video Generation Challenges

JD Tech Talk

Jun 3, 2026 · Artificial Intelligence

JoySafety: Open-Source Large Model Security Framework Joins Open Atom Foundation

In May 2026 the Open Atom Open Source Foundation announced JoySafety, an Apache‑2.0‑licensed, four‑layer large‑model security framework that delivers sub‑50 ms detection, over 95% attack interception, and supports 1B‑20B parameter models across cloud, edge, and device deployments.

AI safetyApache 2.0JoySafety

0 likes · 4 min read

JoySafety: Open-Source Large Model Security Framework Joins Open Atom Foundation

JD Tech Talk

May 26, 2026 · Artificial Intelligence

AI Powers Cross‑Border Growth: JD Oxygen Vision Image‑Set Generation Practice & Outlook

The article examines JD’s Oxygen Vision AI solution for cross‑border e‑commerce, detailing how automated product‑image set generation tackles high costs, slow turnaround, multilingual and platform compliance challenges, delivers up to 90% time and cost reductions, and outlines future multimodal, personalization, and ecosystem expansions.

AIAutomationCross-border E-commerce

0 likes · 15 min read

AI Powers Cross‑Border Growth: JD Oxygen Vision Image‑Set Generation Practice & Outlook

JD Tech Talk

Mar 18, 2026 · Databases

Mastering Dynamic JSON Fields in MySQL: Real‑World Cases and Pitfalls

This article explains how to store and query extensible JSON columns in a MySQL‑based system, lists the most useful JSON functions, walks through several real‑world scenarios—including dynamic extension queries and weight‑management cases—identifies subtle bugs caused by null values, and presents step‑by‑step SQL and MyBatis fixes to ensure reliable batch updates.

DebuggingDynamicFieldsJSON

0 likes · 15 min read

Mastering Dynamic JSON Fields in MySQL: Real‑World Cases and Pitfalls

JD Tech Talk

Mar 17, 2026 · Backend Development

How to Build a MyBatis Plugin that Shields Databases from Sudden Traffic Spikes

This article explains the challenges of sudden traffic bursts on applications and databases, outlines a MyBatis plugin design that intercepts SQL, uses fingerprint‑based throttling with configurable policies, and details the development, optimization, testing, and documentation steps performed with pair‑programming assistance.

MyBatisSQL interceptorperformance optimization

0 likes · 9 min read

How to Build a MyBatis Plugin that Shields Databases from Sudden Traffic Spikes