10:00-11:00 JST

Keynote

• Park Euivin / LY Corporation
• Tomikawa Nobuhiro / LY Corporation

17:15-18:00 JST

Flava Panel Discussion

• Tomikawa Nobuhiro / LY Corporation
• Park Younghee / LY Corporation
• Inoue Ryutaro / LY Corporation
• Sano Yuichiro / LY Corporation
• Kim Jonggyun / LY Corporation
• Song Dongsoo / LY Corporation

10:00-11:00 JST

Global CTO Session

• Park Euivin / LY Corporation
• Kwon Snow / LINE Plus
• Chen, Hung-Chia (Chen Marco) / LINE Taiwan Limited
• Kasetsin, Weera (Ball) / LINE Company (Thailand)

17:15-18:00 JST

AI Panel Discussion

• Tsukamoto Koji / LY Corporation
• Namiki Ryouta / LY Corporation
• Yoshioka Kei / LY Corporation
• Ishikawa Takahiro / LY Corporation
• Kamata Shigenori / LY Corporation

11:30-12:15 JST

Engineering Evolving with AI

• Yoshioka Kei / LY Corporation
• Zusa Yosuke / LY Corporation
• Do, Hao Nhien / LINE VIETNAM

12:15-12:30 JST

Implementing MCP Server for Next-Gen AI: Lessons Learned and Future Directions

• An Jeong Su / LINE Plus

13:30-14:00 JST

Understanding Thread Tuning for Inference Servers of Deep Models

• Zhan Yiyang / LY Corporation

14:00-14:30 JST

AI Coding: From "Vibe Coding" to Professional

• Nguyen Trong Phuc / Techbase VietNam Company Limited

14:35-15:05 JST

How to measure the quality of AI-Generated Images

• Han Jongwoo / LINE Plus
• BAE SUMAN / LINE Plus
• Kim Heechan / LINE Plus

15:05-15:35 JST

Rayleigh: A Management Platform for Ray Clusters

• Yoshida Kazuki / LY Corporation

15:40-16:10 JST

Language-based Customer Feedback Analysis

• Truongthithanh Thuy / Techbase VietNam Company Limited

16:15-16:30 JST

Intelligent Test Workflow Design with MCP Agents: Integrating TestRail, JIRA, SIMS, and Wiki

• Chen, Sz-Lin / LINE Taiwan Limited

16:30-17:00 JST

Mastering Modular AI Agent Architectures: A Deep Dive into Building Robust, Collaborative Agent Systems with Real-World Implementation Insights

• Lee Chee Hoon / LINE Plus

11:30-12:00 JST

Understanding the Threats of Ransomware and "maline (Malicious LINE Installer)"

• Kubiura Hiromu / LY Corporation

12:00-12:30 JST

Efficient Certificate Distribution Strategy in Private Cloud

• Tsurudo Ryosuke / LY Corporation
• Yamaguchi Katsuya / LY Corporation

13:30-13:45 JST

Supply-Chain Attacks in GitHub Actions and Considerations for Mitigation

• Harima Yuta / LY Corporation

13:50-14:20 JST

Identify abnormal COORDINATED behaviors from users on review/comment platform via Machine Learn and Graph algorithm.

• Wang, Pai-Wei (Charlie Wang) / LINE Taiwan Limited

14:20-14:35 JST

Protecting Service Safety with Humans and AI: Three Key Lessons from Developing a Content-Moderation AI

• Nishimura Tomohiro / LY Corporation

14:35-14:50 JST

Security operations within the organization and initiatives for business efficiency and skill enhancement through AI

• Nakatsuji Masayuki / LY Corporation

14:55-15:25 JST

What is the benefit of being able to log in with a passkey to Yahoo! JAPAN?

• Hattori Yumeji / LY Corporation

15:25-15:55 JST

Risks and Mitigations in AI Products Development

• Kim Sung Woo / LINE Plus

16:00-16:30 JST

'Easy-to-use' and 'Configurable' Security-as-a-Service

• Kim Eun Chan / LINE Plus
• Shin Yejin / LINE Plus

16:30-17:00 JST

Implementation of PCA (Privacy System Control Assessment) Measures through Real World Cases

• Ha hyejin / LY Corporation

11:30-12:00 JST

KEDA for scaling services with custom metrics to manage e-commerce traffic spikes efficiently.

• Chonkiattipoom, Arniwatt / LINE Company (Thailand)

12:00-12:30 JST

Utilizing Nginx + Lua for DDoS Attack Mitigation: Dynamic IP Blacklist Operation and Approach at "LINE STORE"

• Konishi Kazuma / LY Corporation

13:30-14:00 JST

Pushsphere: LINE's Secret Recipe for Reliable, Prompt and High-Volume Push Notifications

• Lee Heuiseung / LINE Plus
• UM IKHUN / LINE Plus

14:00-14:15 JST

LINE Call: A Case Study on Improving Video Playback Quality

• Lee Sang-Hyun / LINE Plus

14:20-14:50 JST

Challenges in Ambiguous Search Using Hybrid Search and Abbreviation Extraction in "LINE MUSIC"

• Tada Taku / LY Corporation
• Mori Jumpei / LY Corporation

14:50-15:05 JST

Various Aspects When Migrating the Notification Setting Extraction Platform Supporting "Yahoo! JAPAN Auction" and "Yahoo! JAPAN Transit Information" from Legacy Systems

• Komeda Takaaki / LY Corporation
• Sato Koji (happysato) / LY Corporation

15:10-15:25 JST

Performance Improvement Measures Using Travel Fee Caching Implemented in "Yahoo! JAPAN Travel" Dynamic Package

• Ozeki Akihiro / LY Corporation

15:25-15:55 JST

Strategies for Consolidating "Yahoo! JAPAN Wallet" Microservices to Reduce Team Burden

• Arima Daisuke / LY Corporation

16:00-16:30 JST

The Behind the Scenes of Blocking Fraudulent Traffic Within 1ms in Hundreds of Thousands of req/s Ad Delivery Traffic

• Kashiwagi Tetsuo / LY Corporation

16:30-16:45 JST

Enhancing Test Case Retrieval: Innovative Approaches with AI and Vector Databases

• Hung, Yi-Chung / LINE Taiwan Limited

11:30-12:00 JST

Flava IAM: Bridging Security and Usability with Athenz

• Heo Jaewon / LINE Plus

12:00-12:30 JST

Flava Kubernetes Engine: Towards Intuitive Platform

• Gotanda Shotaro / LY Corporation

13:30-14:00 JST

Flava SecureG: Highest Security Cloud Environment After LY Corporation Merger

• Shirokura Hiroki / LY Corporation

14:00-14:30 JST

Flava DBS for MySQL: Architecture and Features

• Kang Han Sol (hasoka) / LINE Plus
• HONG SOPHAL (sophal) / LINE Plus

14:35-15:05 JST

"Flava Cloud" Reliability Learned in Practice: Large-scale AZ Downtime Simulation Study

• Kim Gyeong Mo / LINE Plus
• Kim Jeong Hyeon / LINE Plus

15:05-15:35 JST

Flava CDN: Differences with ex-LINE, ex-Yahoo! JAPAN CDNs and How to Use

• Park Jiwoong / LINE Plus
• Ishihara Akito / LY Corporation

15:40-16:10 JST

Explore "Flava Function Service" to enhance your development and deploy applications efficiently

• Park Jun Ha / LINE Plus
• Park Min Hyeok / LINE Plus

16:10-16:40 JST

Flava Server: Customizations and Integrations for Our Private Cloud

• Maeda Ryuji / LY Corporation
• Watanabe Koya / LY Corporation

16:40-17:10 JST

"Flava VM" Performance Share

• Abe Katsuhiro / LY Corporation
• Miki Nobuhiro / LY Corporation

11:30-12:00 JST

Connecting Thousands of Services at LY Corporation with Central Dogma Control Plane

• Song Minwoo / LINE Plus
• Rhee Hannam / LINE Plus

12:00-12:30 JST

On the Transformation Brought by AI in Automating Data Center Switches, Which Struggles

• Okada Yoshimi / LY Corporation
• Shinno Kazuki / LY Corporation

13:30-13:45 JST

Migrating Microservices to Modular monolith and Monorepo to reduce operating costs

• Leanh Vu / Techbase VietNam Company Limited

13:50-14:20 JST

AWS Migration Journey for "LINE Messenger" Core Services

• Noh Seung-Heun (NoPD) / LINE Plus
• Park Keonyong / LINE Plus

14:20-14:50 JST

Integration of Backbone Network (Inter-Location Network) in ex-LINE/ex-Yahoo! JAPAN

• Fukazawa Kai / LY Corporation
• Mukai Shu / LY Corporation

14:55-15:25 JST

Efforts of the Backbone Network Supporting LINE Service Delivery

• Suzuki Kohei / LY Corporation
• Izumida Kodai / LY Corporation

15:25-15:55 JST

Technical Discussions on Building AI/ML and the Supporting Infrastructure

• Oura Shin / LY Corporation
• Tatsumi Yuusuke / Actapio, Inc.

16:00-16:15 JST

Synergistic Impact of LY Corporation Integration: The Trusted IP Clos Network Empowering "Flava"

• Hoshiya Yuta / LY Corporation
• Shinno Kazuki / LY Corporation

16:15-16:30 JST

Beginning "Bruna": LY Corporation's Non-Cloud Standard Network

• Nagao Kentaro / LY Corporation

16:30-16:45 JST

Operational efficiency improvement of ex-LINE/ex-Yahoo! JAPAN backbone network

• Ogawa Kazuki / LY Corporation

16:45-17:00 JST

Development of Entry and Authentication Systems for Realizing Smart Data Centers

• Miyata Kouichi / LY Corporation

11:30-12:00 JST

Yamla: A Rust-Based Machine Learning Platform Pursuing Real-Time Capabilities

• Horiuchi Ryosuke / LY Corporation

12:00-12:30 JST

The Turbulent Journey of Productizing Spark on K8s

• Lee Hyun Jay / LINE Plus
• Jang Kyu Hyeong / LINE Plus

13:30-14:00 JST

Recommender System and Next-Gen. Embedding Representations of Users and Items Using Ray and DeepSpeed

• Iida Katsuya / LY Corporation

14:00-14:15 JST

Metadata Management with Semantic

• Terouchi Daisuke / LY Corporation

14:15-14:30 JST

Ingestion Management by "Vinitus Web": Data Quality and Lineage for the complex data platform users

• Hoshino Kuntaro / LY Corporation
• Mac Quang Huy / LINE TECHNOLOGY VIETNAM CO.， LTD

14:30-14:45 JST

Advanced A/B Testing Systems with Dynamic User Segmentation

• CHO GANG HUN / LINE Plus

14:45-15:15 JST

Realtime Data Platform: from Lakehouse to Streamhouse

• Xiao Zhiyan / LY Corporation

15:20-15:35 JST

Revolutionize Team Development: Supercharge Tableau Dashboards And Evolve with Generative AI!

• Miyazawa Tokio / LY Corporation

15:35-16:05 JST

Replacing Data Analysts with AI - Building Data Pipelines and Automating Analysis with Generative AI

• Park Min Seo / LINE Plus
• Choi Shinae / LINE Plus

16:05-16:35 JST

Introduction to "Spark Connect" and Implementation of Managed Spark as a Service

• Lee Seung / LINE Plus

16:35-16:50 JST

Discover the Latest Innovations in Apache Airflow 3.0, Designed to Enhance Data Orchestration for Teams of All Sizes

• Lee, Chia-Hsing / LINE Taiwan Limited
• Lai, Chung Che / LINE Taiwan Limited

16:55-17:10 JST

Introduction to the "Selenops" Corpus Built from Large-scale Proprietary Crawl Data

• Hirata Kodai / LY Corporation

11:30-12:00 JST

"LINE Planet" and AI: Conversations with AI

• Jeong Deokbeom / LINE Plus

12:00-12:30 JST

AI Frontiers Revealed: Transforming LINE Shopping TW with LLM-Driven Product Attribute Extraction

• Lin, Yi-Ruen (Vila Lin) / LINE Taiwan Limited

13:30-13:45 JST

Seamless inventory management with AI

• Jorphochaudom, Phisit (Poom) / LINE Company (Thailand)

13:45-14:00 JST

LY Corporation's Speech AI Vision: Towards Realtime Spoken Dialogue through Advanced ASR and TTS

• Miyake Jumpei / LY Corporation
• Kinoshita Taiki / LY Corporation

14:05-14:35 JST

Building In-house AI Interpretation Service

• Lee Hyo Gun / LINE Plus
• SEO KANGYOUN / LINE Plus

14:35-15:05 JST

Generating Tourism AI Model Courses by Integrating Generative AI with Internal Data

• Oho Masayuki / LY Corporation

15:10-15:40 JST

How to use different LLMs according to their characteristics to realize the “application candidate suggestion function” of “RAG Application”.

• Zusa Yosuke / LY Corporation

15:40-15:55 JST

Imagine an AI DJ: Your Mood, Your Music, Perfectly Matched!

• Li-Wen, Liao / LINE Taiwan Limited

16:00-16:30 JST

"Yahoo! JAPAN Flea Market's" Use of Generative AI: Case Study of "Easy AI Listing" Generating Item Information from an Image

• Takanishi Yukiko / LY Corporation
• Takeuchi Risa / LY Corporation

16:30-16:45 JST

Sharing Use Cases and Tips from Generative AI Utilization in "Yahoo! JAPAN Finance"

• Sekine Naoto / LY Corporation
• Manase Kai / LY Corporation

16:45-17:00 JST

"Yahoo! JAPAN News" Comment Summarization Using Generative AI: Introduction to Use Cases

• Aoki Yoshifumi / LY Corporation

11:30-12:00 JST

Practices for Accessibility Improvement: Specific Efforts and Challenges in Products

• Tomita Azusa / LY Corporation
• Keishima Amon / LY Corporation
• Miyoshi Kenta / LY Corporation

12:00-12:30 JST

Insights Driven by Numbers: Exploring the Correlation Between Web Performance and Business Metrics

• Tonaru Takuya / LY Corporation

13:30-14:00 JST

Efforts to Improve Media and Advertising KPIs by Speeding Up Page and Ad Display Using Speculation Rules API

• Imamiya Masaki / LY Corporation
• Kiraku Tomoki / LY Corporation

14:00-14:15 JST

Efforts to Improve Web Performance in "Yahoo! JAPAN Search"

• Okudaira Hatsune / LY Corporation

14:15-14:30 JST

Introducing Storybook: Enhancing Development in "PayPay Gateway"

• Teraoka Jun / LY Corporation

14:35-15:05 JST

The Monorepo Journey of "LINE Official Account" Project

• Nguyen Quang Phuc / LINE TECHNOLOGY VIETNAM CO.， LTD

15:05-15:35 JST

What the New Design System "toly" Will Achieve

• Tamada Akihiro / LY Corporation

15:40-16:10 JST

Utilization of Generative AI in External Survey Platforms

• Murasato Tatsuki / LY Corporation

16:15-16:45 JST

Migration to Next.js App Router and Best Solution Found on K8s

• Jung Kyu Sung / LINE Plus
• JO JEONG GEUN / LINE Plus

16:45-17:00 JST

Use Cases of LINE Design System in the Web Frontend of "LINE Login"

• Kita Tomoya (odan) / LY Corporation

11:30-12:00 JST

Demae-can's Tech Journey: From React Native to Flutter

• Noyama Masayoshi / Demae-can

12:00-12:30 JST

The Struggles of Completely Renewing a 15-Year-Old iOS App and What We Can Do Now for the Next 15 Years

• Takeda Yuki / LY Corporation
• Kowashi Jumpei / LY Corporation

13:30-14:00 JST

Story of Introducing the New Feature "Oshidora" in "Yahoo! JAPAN Car Navigation"

• Masuda Kakeru / LY Corporation

14:05-14:35 JST

Building for the Future: Redesigning Core Data Stack for LINE iOS App

• Chen Yuhan / LY Corporation

14:35-15:05 JST

Engineering joy: Building the celebration system on the Home tab of the LINE app on Android

• Chau VinhTuan / LY Corporation

15:05-15:20 JST

Implement Automated Exploratory Testing and Accessibility Testing in Your Android App Without Test Cases!

• Fukuno Masato / LY Corporation
• Okumura Rei / LY Corporation

15:25-15:55 JST

Creating Realistic Brush Tool in "LINE Sticker Maker": A Journey Through Implementation and Optimization

• Do Duy Khanh / LINE TECHNOLOGY VIETNAM CO.， LTD
• Dang Anh Tuan / LINE TECHNOLOGY VIETNAM CO.， LTD

15:55-16:25 JST

"Premium Backup" Feature Supporting Cross-OS Data Backup and Restore

• Park Jun Hyuk / LINE Plus
• Jo Hyeonji / LINE Plus
• Kim Jun Yeong / LINE Plus

16:30-16:45 JST

Android Reverse Engineering for Network Request and APK Decompilation

• Nguyen Tan Trong / LINE VIETNAM

16:45-17:00 JST

Changing Legacy Code Supporting "Yahoo! JAPAN Transit Navigation" iOS App

• Yamate Masami (aikawa) / LY Corporation

11:30-12:00 JST

Improving Smartphone UI Design with a Mathematical Approach: In-house Use Case of the Tap Success Rate Estimation Tool "Tappy"

• Yamanaka Shota / LY Corporation

12:00-12:30 JST

Building and Utilizing an Illustration System in Service Rebranding

• Terui Arisa / LY Corporation

13:30-14:00 JST

Reevaluating Text Contrast

• Nakano Makoto / LY Corporation

14:00-14:15 JST

Workshop design to accelerate design decision-making

• Tanaka Tatsuya / LY Corporation

14:20-14:50 JST

Best Practices for Building a Consistent Design System from Design to Development

• Takahashi Shuzo / LY Corporation

14:50-15:05 JST

A Platform Connecting Brand Philosophy and Assets: "LY Corporation Design Hub"

• Hong Minkyu / LINE Plus

15:10-15:40 JST

Streamlining Design with Figma's Variables

• Mizuochi Rikuto / LY Corporation

15:40-15:55 JST

Introducing the future of "LINE Messenger" with AI and the ideation process.

• Kwon Yeon Soo / LINE Plus

16:00-16:15 JST

Designing User Experience through Interaction Design

• Park Hyun Il / LINE Plus

16:15-16:30 JST

Grand Design Project to Increase LINE Brand Value

• KIM So Young / LINE Plus

16:30-16:45 JST

How to Measure 'Wow' and '!'

• Sakai Katsura / LY Corporation

16:45-17:00 JST

Yahoo! JAPAN Flea Market: Interface Design Specific to Generative AI Utilization Features

• Tagawa Kana / LY Corporation
• Kondo Maiku / LY Corporation

11:30-12:00 JST

The Importance and Examples of "Unremarkable Tasks" Supporting Large-scale Product Management

• Iwamatsu Shinobu / LY Corporation

12:00-12:30 JST

Unveiling "LINE Talk" User Insights through Data and Fieldwork

• Fujiwara Maya / LY Corporation
• Miyake Asuka / LY Corporation
• Hirota Yui / LY Corporation

13:30-14:00 JST

The "Reuse Labo Office" is a small strategic group ​to achieve the goal of becoming the No.1 flea market.

• Tsunoda Yuki / LY Corporation
• Miyazaki Haruka / LY Corporation

14:00-14:30 JST

Is That Estimate Really Correct? The accuracy of your estimate determines your business. Real estimate techniques for "LINE GIFT" and "LINE SHOPPING" development

• Imai Keiko (ikeko) / LY Corporation

14:30-14:45 JST

The Importance of the "Remove Features" Approach in Product Development

• Watanabe Yosuke / LY Corporation

14:50-15:05 JST

The "Discovery & Delivery" Framework for Continuous Improvement by the Entire Team in "LINE STICKERS" Development

• Noda Junki / LY Corporation

15:05-15:20 JST

“Yahoo! JAPAN Finance” About the operation of Large-Scale Scrum (LeSS)

• Oguro Masaya / LY Corporation
• Hirano Keisuke / LY Corporation

15:25-15:40 JST

Case Study of Work Conducted by TPM in the Early Phases of Product Participation

• Takahashi Hiroyuki / LY Corporation
• Someno Hiroaki / LY Corporation

15:40-16:10 JST

Introduction to the 6 Key Pillars of Technical Program Management and the Project Management Start Kit

• Kim Jong Hong / LINE Plus

16:10-16:25 JST

Key points for cross-functional issue and risk management in large-scale IT system migration (PJ Shield)

• Kuroki Ryota / LY Corporation

16:30-16:45 JST

How to Set Product Strategy and Secure User Retention with Low Cost, High ROI? A Data-Driven Approach Powered by AI & User Behavior Insight

• Chen, Hung-Ting (Tim Chen) / LINE Taiwan Limited

16:45-17:00 JST

For Korea-Japan Collaboration: 8 Years of Know-How for Efficient Collaboration

• Eun Mi Hyang / LINE Plus

11:30-12:00 JST

Feedback in Action

• Konaka Fumito / LY Corporation

12:00-12:30 JST

Approach to Solving Communication & Process Challenges in a Global Large-Scale Scrum (LeSS) Environment

• Nguyen Thanh Loan / Techbase Vietnam Company Limited

13:30-14:00 JST

"Incompetence" Can Happen to You Too. The Importance of Knowledge-Based Management.

• Nagasaki Katsuhide / LY Corporation

14:00-14:30 JST

Cross-Organizational Internal and External Collaboration - 2-Year Challenges and Achievements -

• Kawauchi Akihiko / LY Corporation
• Hasebe Kohei / LY Corporation

14:35-15:05 JST

Efforts to Build and Operate an Outcome-First Technical Expertise Organization

• Hanatani Takuma / LY Corporation

15:05-15:20 JST

Applying management hat without "manager" in job title

• Lowichakornthikun, Nitipat / LINE Company (Thailand)

15:20-15:35 JST

Building a Quality-First Culture: From Skills to Shared Values

• Chantrapisit, Supisara / LINE Company (Thailand)

15:40-15:55 JST

Building Engineering Culture Through Capture the Flag Activities

• Bailey Matthew (Matt) / LY Corporation

15:55-16:10 JST

Creating Opportunities for Mutual Learning in a Hybrid Work Environment through Continuous Cross-Team Mob Programming

• Takashima Yuri / LY Corporation
• Takasaki Shinya / LY Corporation
• Zang Zhihao / LY Corporation

16:15-16:30 JST

From a New Team Leader: Establishing a Mixed Team from Scratch with LINE and Yahoo Japan Corporation

• Tachibana Takuma / LY Corporation

16:30-17:00 JST

Managing Organizations with Different Backgrounds

• Sueishi Hiroki / LY Corporation