RubyWorld

Conference2025

Nov. 6-7, 2025
Shimane Prefectural Convention Center "Kunibiki Messe"

Advance registration is required to attend.

Prospectus Official Guide book (PDF:8.89MB)

Conference summary

Dates

Nov. 6-7, 2025

Venue

International Conference Hall (3F) and Large Exhibition Hall (1F), Shimane Prefectural Convention Center "Kunibiki Messe"

Keynote Speakers

30 Years of the Ruby Community

Yukihiro Matsumoto

Ruby Association
Chairman

Sanarei: Offline Web Browsing with Ruby

Bernard Banta

Finplus Group, CTO and Co-founder

Venue

International Conference Hall (3F)

At the international exhibition, keynotes and presentations will be held.

Large Exhibition Hall (1F)

The large exhibition hall is a venue where sponsored companies have booth exhibits and sponsor sessions.

Services

The services we offer include: Simultaneous interpretation, Reception (fee required), Tea Ceremony, Coffee Break, Wi-Fi information, and Parking Service.

Program

The program for Day1 and Day2.

Day1 November 6, 2025
Day2 November 7, 2025

Time

Program

Speaker
09:00

Registration starts
10:00

Opening Ceremony

Opening Greetings:
Yukihiro Matsumoto Chairperson of Executive Committee

Tatsuya Maruyama Governor of Shimane Prefecture

Akihito Uesada Deputy Mayor of Matsue City

Masaki Shimode General Manager, Planning Department and Innovation Department, Digital Infrastructure Center, Information-technology Promotion Agency, Japan
10:35

Ruby sponsor session Day1
10:50

Keynote Address-1 Sanarei: Offline Web Browsing with Ruby

Bernard Banta Finplus Group / CTO and Co-founder
11:50

Lunch Time / Short presentation
13:00

Ruby Prize 2025 Award
13:50

15min presentation-1 Mastering Scalable Organizations with Modular Monoliths

Yoh Osaki ANDPAD Inc.
14:10

15min presentation-2 The Key to Growing Ruby Engineers for DX — Exploring the Training Know-How for Building a Development Team with Over 90% New Graduates

Tomohiro Umeda RIZAP TECHNOLOGIES,Inc.
14:30

15min presentation-3 Ruby Enables Business Continuity Management

Asami Kawakami TIS Inc.

Nobuya Hayashi TIS Inc. / Section Chief
14:50

15min presentation-4 Building a Securities System from Scratch with Ruby and Go: What Went Well, What Was Hard, and the Lessons Learned

Satoshi Kobayashi Bloomo Securities Inc./Director & CTO
15:05

Coffee Break
15:40

30min presentation-1 Use of Ruby in Tokyo Gas Group’s Earthquake Disaster Prevention Systems

Maika Yamaguchi TOKYO GAS i NET CORP.
16:15

30min presentation-2 Ruby Powering Dental DX - Development Case Study of "Dentis" Dental Management System

Toshio Maki MEDLEY, INC./Division Manager, Dental Clinic Division
17:00

Ruby biz Grand prix 2025 Award
18:30

Reception

Time

Program

Speaker
09:00

Registration starts
10:25

Second day Opening Greetings

Shugo Maeda Executive Director of Executive Committee
10:35

Ruby sponsor session Day2
10:50

Keynote Address-2 30 Years of the Ruby Community

Yukihiro Matsumoto Ruby Association / Chairman
11:50

Lunch Time / Short presentation
13:00

30min presentation-3 Why Now Is the Right Time for PicoRuby

Hitoshi Hasumi ANDPAD Inc.
13:35

15min presentation-5 Exploring the World of Electronic Engineering with PicoRuby

Hayao Kimura freee K.K.
13:55

15min presentation-6 Ruby x LLM Ecosystem

Koichi Ito ESM, Inc. / Engineering Manager
14:15

15min presentation-7 Recommended Test Suite Extraction Algorithm

Masatoshi Seki ninja-testing.com

Miwa Fukaya ninja-testing.com
14:35

15min presentation-8 Parsing Taiwanese Like Code: Three-Stage Analysis of Pe̍h-ōe-jī Romanization with Ruby

Mu-Fan Teng 5xRuby Co., Ltd. / CEO
14:55

15min presentation-9 Utilizing the Metaprogramming Challenges in Ruby

Shinichi Maeshima Willnet, Inc. / Representative Director, President

Yasuhiro Kinoshita SmartHR, Inc.
15:10

Coffee Break
15:45

30min presentation-4 Tangible Code: Understanding Code Through Touch and Real-time Visuals with Ruby

Miyuki Koshiba SmartBank, Inc. / Engineering Manager
16:20

Closing Ceremony

Hiroshi Inoue Vice Chairperson of Executive Committee