JSConf JP 2026
Overview
The Japanese edition of the worldwide JSConf family, organized by the Japan Node.js Association and among the largest JavaScript conferences in the country. Succeeding the Tokyo NodeFest since 2019, it is known for bringing in international speakers, from language spec designers to runtime developers, across four dense parallel tracks, serving as the junction between Japan's community and global JavaScript trends. The 2026 edition moves to Bellesalle Kanda.
Foundation
- Founded
- 2019
- Founder
- Yosuke Furukawa (Representative Director, Japan Node.js Association) and team
Launched in 2019 as Japan's edition of the international JSConf brand, evolving from the Tokyo NodeFest held since 2011. Branded as a festival for all of JavaScript beyond Node.js, it has served as Japan's gateway to the global JS community.
Transition
- 2011 前身の東京Node学園祭が始まる
- 2019 JSConfブランドの日本版として第1回JSConf JPを開催
- 2025 第6回を11月16日に開催（JavaScript誕生30周年の年）
- 2026 第7回を11月22日にベルサール神田で開催予定
Voices
Sessions and booth conversations on monorepo operations overlapped with challenges in their own upcoming development (from Reiwa Travel Engineering Blog, in Japanese)
Exchanges with engineers from Japan and abroad yielded insights into the latest web development trends and AI adoption (from LY Corporation Tech Blog, in Japanese)
Attended as a premium sponsor with a team of seven and ran a booth, feeling the community's energy firsthand (from LayerX Engineering Blog, in Japanese)
Developers Summit 2026 Summer
The summer edition of Developers Summit (Devsumi), a conference for IT engineers hosted by Shoeisha. Two days of technical sessions and exhibits themed on engineers' contribution to business, co-located with IT Strategy Summit 2026.
PHP Conference Japan 2026
The annual gathering of Japan's PHP community and one of the country's oldest language conferences, first held in 2000. Run by a volunteer committee tied to the Japan PHP Users Group at Ota Industrial Plaza PiO, its home since the first edition. Despite free admission, it packs around 30 accepted talks across multiple tracks, ranging from AI-era development and legacy code to PHP internals such as OPcache and JIT, making it a fixed point for observing where Japan's PHP community stands.
AI DevEx Conference 2026
A conference on developer productivity and developer experience in the AI era, hosted by Findy as the successor to its Developer Productivity Conference. Under the theme "the future of development productivity and engineering organizations in the AI era," 56+ speakers discuss the relationship between AI and organizations and the evolution of development platforms. Engineering leaders from global big tech companies also take the stage.