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 Tokyo NodeFest, its predecessor, begins
- 2019 First JSConf JP held as the Japanese edition of the JSConf brand
- 2025 Sixth edition held on November 16, in the 30th anniversary year of JavaScript
- 2026 Seventh edition planned for November 22 at Bellesalle Kanda
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)
Open Developers Conference 2026
A developer-focused open source conference run by the OSPN community behind the Open Source Conference (OSC) series. Billed as an "open source culture festival," it packs seminars, hands-on sessions, and community booths on DevOps, dev tools, and cloud into a single free day. Modest in size at 100-plus attendees, its strength since 2018 has been direct access to the developers behind OSS projects.
DroidKaigi 2026
One of Japan's largest Android conferences, organized by engineers for engineers. Three days of technical sessions, codelabs, and networking, with many international speakers making it a globally minded technical event.
Go Conference 2026
Japan's largest community conference dedicated to the Go programming language, run by the Gophers Japan association. Sessions span language internals, concurrency, and cloud-native practice under the 2026 theme "Go Far, Go Together." With recent editions drawing 450-500 attendees, it serves as a hub for the country's Go engineers.