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Alipay Experience Technology
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Alipay Experience Technology

Exploring ultimate user experience and best engineering practices

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Alipay Experience Technology
Alipay Experience Technology
Sep 29, 2025 · Artificial Intelligence

How a Constraint-Aware Multi-Agent AI Won the IJCAI‑2025 Travel Planning Challenge

Alipay’s AI research team, together with Ant Group and East China Normal University, leveraged a self‑developed large‑model‑plus‑optimization framework to create a constraint‑aware multi‑agent system that won both the Original OS Track and DSL Track at the IJCAI‑2025 Autonomous Travel Itinerary Planning Competition.

AILarge Language ModelOptimization
0 likes · 8 min read
How a Constraint-Aware Multi-Agent AI Won the IJCAI‑2025 Travel Planning Challenge
Alipay Experience Technology
Alipay Experience Technology
Sep 18, 2025 · Information Security

How Alipay Uses AI to Revolutionize Application Security Development Lifecycle

This article details Alipay's AI4SDL framework, describing how AI-driven tools and multimodal models automate risk identification, enhance code analysis, and streamline security operations across the entire software development lifecycle, while also outlining current challenges, systematic solutions, and future directions for secure, rapid product innovation.

AIApplication SecurityMachine Learning
0 likes · 14 min read
How Alipay Uses AI to Revolutionize Application Security Development Lifecycle
Alipay Experience Technology
Alipay Experience Technology
Aug 26, 2025 · Mobile Development

How Alipay Built an AI Travel Assistant in Two Months with a 4‑Person Mobile Team

This article details the end‑to‑end development of Alipay’s AI Travel Assistant, covering product conception, the migration to a unified xUI 1.0 framework, the adoption of KMP for cross‑platform UI, the shift from RPC + SYNC to gRPC streaming, and the challenges of card‑ecosystem migration, all achieved within a two‑month sprint by a four‑person client team.

AIChatbotKMP
0 likes · 25 min read
How Alipay Built an AI Travel Assistant in Two Months with a 4‑Person Mobile Team
Alipay Experience Technology
Alipay Experience Technology
Aug 22, 2025 · Fundamentals

Designing Adaptive Time‑Window Formulas: From Theory to Real‑World Cache Optimization

This article explores how to replace fixed‑parameter cache‑expiration settings with mathematically derived, adaptive time‑window formulas that start slow, accelerate, and respect upper bounds, using linear, exponential, and sigmoid models refined through large‑model assistance.

Cache Optimizationalgorithm designmathematical modeling
0 likes · 10 min read
Designing Adaptive Time‑Window Formulas: From Theory to Real‑World Cache Optimization
Alipay Experience Technology
Alipay Experience Technology
May 7, 2025 · Mobile Development

How to Shrink Kotlin/Native Binary Size for Mobile Apps: Practical Optimizations

This article details the Alipay Tech team's systematic approach to reducing Kotlin/Native binary size for Android, iOS, and HarmonyOS by tuning compiler parameters, leveraging LLVM optimization passes, and applying fine‑grained export and dead‑code‑elimination strategies, complete with test methods and measurable results.

Compiler FlagsDCEKotlin Multiplatform
0 likes · 14 min read
How to Shrink Kotlin/Native Binary Size for Mobile Apps: Practical Optimizations
Alipay Experience Technology
Alipay Experience Technology
Apr 25, 2025 · Artificial Intelligence

Creating Lifelike Talking Avatars from Voice and Photo with EchoMimic

This article introduces EchoMimic V1 and V2, open‑source generative digital‑human systems that turn a single voice clip and a portrait photo into synchronized talking avatars, covering their technical background, architecture, training strategies, performance comparisons, and potential application scenarios.

Digital AvatarGenerative AImultimodal models
0 likes · 13 min read
Creating Lifelike Talking Avatars from Voice and Photo with EchoMimic
Alipay Experience Technology
Alipay Experience Technology
Apr 23, 2025 · Game Development

How Alipay Boosted Mini‑Game Performance with Multithreading and Rendering Optimizations

This article explains how Alipay’s mini‑games platform was optimized through multithreading, independent audio and rendering threads, file‑system and text‑rendering improvements, and an iOS high‑performance mode, resulting in dramatically higher frame rates and lower latency across a range of games.

AlipayGame Developmentmini games
0 likes · 16 min read
How Alipay Boosted Mini‑Game Performance with Multithreading and Rendering Optimizations