CloudNative Days Winter 2026
Overview
Japan's largest cloud-native technology conference hosted by the local community. Shares practical cases on Kubernetes, containers, microservices, SRE, and Platform Engineering. Community-driven with diverse sessions selected through a CFP (Call for Proposals) process.
Speakers
- Leaders of Japan's cloud-native community
- CNCF Ambassadors
Foundation
- Founded
- 2018
- Founder
- CloudNative Days Committee (Community volunteers)
Evolved from Japan Container Days (2018) to promote cloud-native technologies and expand the practitioner community
Transition
- 2018 First edition held as Japan Container Days Tokyo
- 2019 Renamed CloudNative Days Tokyo
- 2020 Moved to online editions
- 2024 Full-scale return to in-person editions, including Nagoya and Fukuoka
Voices
A community-driven conference where you can hear real-world challenges and solutions from practitioners.
The barrier to speaking is low, making it ideal as a venue for first-time conference presentations.
Returned a year after their first visit, gave a lightning talk, and felt how much they had grown (from Bikiniki's report, in Japanese)
Joined as volunteer staff handling social media and streaming, seeing talks up close from the inside (from Yuta Shimada's report, in Japanese)
In the News
Sponsors
ダイヤモンド
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株式会社ハイヤールー -
株式会社エーアイセキュリティラボ -
レッドハット株式会社 -
アカマイ・テクノロジーズ合同会社 -
Datadog Japan 合同会社
プラチナ
-
さくらインターネット株式会社 -
株式会社フライル
ゴールド
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株式会社はてな -
グラファナラボ日本合同会社 -
Okta Japan株式会社 -
株式会社VARIETAS
ブース
-
株式会社ハイヤールー -
株式会社構造計画研究所 -
株式会社エーアイセキュリティラボ -
株式会社スリーシェイク -
アカマイ・テクノロジーズ合同会社 -
さくらインターネット株式会社 -
グラファナラボ日本合同会社 -
Okta Japan株式会社 -
株式会社シャインソフト -
エフォディオジャパン合同会社
Source: official sponsor list (as of October 9, 2026)
CEATEC
Japan's largest IT and electronics exhibition. Organized by JEITA, held annually in October at Makuhari Messe. The 2026 theme is 'Transformation.' Over 800 exhibitors and approximately 100,000 visitors. Free admission with registration.
Japan Mobility Show Bizweek 2026
A B2B mobility co-creation event hosted by the Japan Automobile Manufacturers Association (JAMA). Held in the interim year of the main Japan Mobility Show (biennial at Tokyo Big Sight, drawing about one million visitors), co-located with CEATEC at the same venue and dates. Focused on business matching among automakers, startups, universities, and cross-industry companies, with the online matching tool Meet-up Box available before and after the show.
GREE Tech Conference 2026
A technology conference hosted by GREE Holdings under the theme "How We Build", framed around the process of development rather than the finished product. Three parallel tracks cover AI, data analysis, game development, infrastructure, and security, with a keynote by the company's Masaki Fujimoto. Free to attend in a hybrid format, including seats that come with an office tour.