TwoGate Inc. is sponsoring 'Kaigi on Rails 2025', Japan's largest Ruby on Rails conference, as a Silver Sponsor and is offering 'Students on Rails', a travel support program for student attendees. Students who apply and are selected for this program will be provided with admission tickets, travel expenses, and accommodation.
About Kaigi on Rails 2025
Kaigi on Rails 2025 is a conference that will be held over two days on Friday, September 26, and Saturday, September 27, 2025, at the JP Tower Hall & Conference in Tokyo. It features two parallel session tracks running throughout the two-day period. Engineers from companies and services utilizing Rails will present topics on both technical and business use cases. This conference allows attendees to get a real feel for what goes on behind the scenes of well-known services.
Kaigi on Rails 2025 Official Website
How to Apply for Students on Rails
Program Details
・Free 'student ticket' for Kaigi on Rails 2025
・Travel expense support and free accommodation for those traveling from afar (receipts are required for limited express trains, Shinkansen, and flights)
*Students residing in Japan whose one-way travel time to the nearest station of the venue is 1.5 hours or more, or whose round-trip travel expenses exceed 5,000 yen.
Schedule
・Aug 15 (Fri) Applications open
・Aug 29 (Fri) 23:59 Application deadline
・Sep 1 (Mon) - Sep 5 (Fri) Notification of selected participants
・Sep 26 (Fri) Kaigi on Rails 2025 Day 1 (Accommodation provided)
・Sep 27 (Sat) Kaigi on Rails 2025 Day 2
Application Deadline: Until Friday, August 29, 23:59
Applications are now closed.
If you have any questions regarding this program, please contact [email protected].
A TwoGate engineer will speak in one of the sessions
From 179 proposals submitted, a session by TwoGate's Board Director & CTO, Okumoto, has been accepted. He will present the following session.
“Completing 1500 Examples in the 2-Minute Range! Environment Configuration Techniques Supporting Lightning-Fast CI”
[Speaker] Board Director & CTO, Okumoto
A fast CI/CD environment makes it possible to quickly deliver results to users while maintaining development quality. When the CI/CD environment is slow, noticing failures is delayed, making the correction cycle longer and longer. Particularly in the live event industry where we provide our products, if a problem occurs on the day of the event, immediate hotfixes to the production environment are required. Therefore, the speed of CI/CD directly impacts not only the development experience but also business value.
In this session, we will introduce how we went through trial and error to speed up our CI/CD execution environment, focusing on parallel execution techniques to complete over 1500 rspec examples in the 2-minute range for a Rails application.
About TwoGate Inc.
At TwoGate, we engage in activities to support students who are early adopters of programming technology, including our long-term internship program, hosting the short-term hackathon-style internship 'TwoGate Dev Camp', and sponsoring Mitou Junior.
[TwoGate's Relationship with Ruby]
TwoGate develops and operates multiple products, and all of our server-side development is done in Ruby.
Our original app Caravan for concert tours, festivals, and event venues offers merchandise pre-ordering systems with customizable payment and pickup methods as its core, alongside optional game content such as gacha and lotteries. Since events trigger massive simultaneous transactions, the system and server load spikes dramatically. Ruby plays a central role in handling this processing, having successfully managed high volumes of concurrent connections across various events to date.
Furthermore, CRAYON, which develops and operates official fan communication apps tailored to the entertainment industry, comes loaded with a wide variety of features. The server-side of CRAYON, which is used by Creepy Nuts and Kajisac, is also developed in Ruby.
Headquarters: Daita Flat 101, 5-13-8 Daita, Setagaya-ku, Tokyo
Representative: Teruki Kobayashi, Representative Director
Business Activities: Development and provision of iOS and Android applications. EC website construction and operation support. Launching co-creation businesses in the EC/SaaS sector.
Nezu, Public Relations, TwoGate Inc.
Inquiry Desk:https://form.run/@twogate-contact