[mercari GEARS 2025] The Journey to AI Native - Driving Company-Wide Adoption Through Data and Practice

Transcript

1. Yu Nakai
 Manager, VPoE Office
 The Journey to AI Native:
 Driving Company-Wide Adoption Through Data and Practice
 Kengo Fujishiro
 MoM, Merpay
 Shunta Komatsu
 EM, Merpay
 Seita Uchimura
 Tech Lead, MVNO

2. Yu Nakai
 Manager, VPoE Office
 Yu works in the VP of Engineering’s office, leading company-wide restructuring initiatives to enable AI-Native delivery across Mercari.
 Kengo Fujishiro
 Shunta Komatsu
 EM, Merpay
 Shunta leads the Payment Platform area, driving the development of payment and banking connectivity systems that power the Mercari Group’s financial services.
 MoM, Merpay
 Kengo leads the Payment Platform area, overseeing the development and operations of core payment infrastructure that supports value circulation across the Mercari Group.
 Seita Uchimura
 Tech Lead, MVNO
 Seita leads backend development for Mercari Mobile, driving a spec-driven workflow using tools like Claude Code and Cursor to accelerate development and improve quality.

3. AI-Native + Productivity

4. 1. PoC & Validation
 2. Organization-wide Adoption
 3. Systematization & Framework

5. DX Core 4
 • Speed - PR throughput
 • Effectiveness - DXI score
 • Quality - Failure ratio
 • Impact - Innovation ratio
 

6. PR Throughput

7. Personal Example: Seitau’s Commits
 Claude Code GA Cursor PoC
8. PR Metrics by AI Experts

9. Project Double Agent-Spec Driven Development (ASDD) Enables anyone to achieve high-quality, reproducible development through specs optimized for AI Agents.
10. Past PJ Double approaches

11. What is ASDD? To make the entire team's implementation a reproducible process. API Definitions Data Models Process Flows Test Scenarios Implementation Steps Service Spec Dependencies Architecture Prompts
12. Results of PJ Double

13. Challenges in PJ Double

14. Worldview beyond PJ Double

15. Overview of ASDD Assets PRD Figma UI Codebaase Double Planning Requirements Short Agent Spec Double QA Test Cases PJ Aurora UI Double Client Agent Spec (Client & FE) Implementation (Client & FE) Double Backend Agent Spec (Backend) Implementation (Backend) Double QA Test Implementation Double QA test Implementation Release PJ Double
16. Practice ASDD

17. Practice ASDD
 
 /asdd-kit:draft
 • slack-crawler
 • jira-crawler
 • spec-drafter
 • spec-reviewer

18. Closing Message: 
 messages to everyone here

19. Thank you for listening!
 
 We'll be waiting at 
 “Ask the Speaker”