Japan, Tokyo Weekly Tech Event Digest [`25 May 26 - Jun 1]

Hello, tech enthusiasts! Hope you’re having a great week. Here’s a list of upcoming tech events in Japan for the week of May 26 to June 1.

Events

Monday, May 26

• Global Startup Ecosystem Meeting in SPRING | 🕐 18:00 | Tokyo Innovation Base, Tokyo | 🇬🇧🇯🇵 | 🔗Link: A meeting focused on global startup ecosystems, featuring speakers sharing insights and experiences from various regions. The event aims to revitalize Japan’s startup ecosystem by learning from international best practices and challenges. This iteration will discuss the current state of Korea’s startup ecosystem with a guest speaker from MEGAZONE, a major Korean cloud service provider.

• Sendagaya.rb 494 | 🕐 21:00 | Online | 🇯🇵 | 🔗Link: Online meetup for Ruby/Rails enthusiasts. Discussion topics include RubyKaigi 2025, Kaigi on Rails 2024, development challenges, and exploring resources like Ruby Hacking Guide, Rails Guide, and Ruby Under a Microscope.

Tuesday, May 27

• Tokyo Startup Lunch Club | 🕦 11:30 | Tokyo International Forum | 🇬🇧🇯🇵 | 🔗Link: Casual lunch meetup for startup founders, investors, and enthusiasts to connect and network in an informal setting.

• Tokyo HackerSpace Weekly | 🕢 19:30 | HackerSpace, Tokyo | 🇬🇧 | 🔗Link: Weekly gathering for tech enthusiasts, makers, and hackers to collaborate, share ideas, and work on projects together.

Wednesday, May 28

• Web Governance Intro | 🕐 15:00 | Online | 🇯🇵 | 🔗Link: Introductory seminar on web governance for businesses managing multiple websites. Covers challenges, security risks, and best practices. Targeted towards web managers, IT staff, system administrators, and anyone interested in web governance.

• Building Machines That Understand the Physics | 🕐 15:00 | Online | 🇬🇧 | 🔗Link: Talk by Prof. Wuyang Chen (SFU) on building AI models that understand physical systems. Approach integrates tool interaction and physics-enriched data scaling. Showcases applications in multi-step scientific reasoning and real-time interactive fluid modeling.

• Shibuya Public Event Brunch | 🕕 16:00 | Shibuya Startup Support Space | 🇬🇧🇯🇵 | 🔗Link: Networking brunch hosted by Shibuya Startup Support, providing tools and connections for startups to grow.

• YOKOHAMA CONNECT #14 | 🕐 16:00 | Tech Hub Yokohama, Yokohama | 🇬🇧🇯🇵 | 🔗Link: YOKOHAMA CONNECT #14, held at Tech Hub Yokohama. Includes sessions on enjoying the event, open innovation, Yokohama’s innovation ecosystem, and bridging the gap between people, nature, and business.

• Growth Hub: Building & Belonging in Japan | 🕐 16:30 | Shibuya Startup Support, Tokyo | 🇬🇧 | 🔗Link: Growth Hub series session featuring Maryam Fallah, founder of Buddy, discussing challenges faced by foreigners moving to Japan. Topics include integration difficulties, building a sense of belonging, and common mistakes companies make when hiring and retaining foreign talent. Hosted by Shibuya Startup Support.

• Event for HER & Beyond | 🕐 17:00 | Tokyo Innovation Base, Tokyo | 🇬🇧 | 🔗Link: Startup conference event focused on diversity and safety, featuring a panel discussion on promoting diversity in the startup ecosystem. The event includes discussions on gender balance, anti-harassment policies, and DEI initiatives. Speakers include prominent figures from Tech GALA, IVS, and Code for Japan.

• Data Intelligence Tokyo | 🕐 18:00 | Wework Shinagawa, Tokyo | 🇬🇧 | 🔗Link: Data Intelligence Tokyo #15, a networking event for data enthusiasts. Discuss data strategies, management, governance, and platforms. Lightning talk by Liam De Seve on Data Orchestration and Dagster. Networking with beer and food.

• AI Security Training with Rakuten | 🕐 19:00 | Le Wagon Tokyo - Coding Bootcamp, Tokyo | 🇬🇧 | 🔗Link: Training on AI security, focusing on practical vulnerabilities like Prompt Injection and Prompt Extraction. Geared towards developers, security professionals, and anyone working with Generative AI. Requires laptop/smartphone, internet access, and familiarity with GenAI concepts.

• Alumni Talk & Info Session for Le Wagon Bootcamps | 🕐 19:00 | Le Wagon Tokyo - Coding Bootcamp, Tokyo | 🇬🇧 | 🔗Link: Info session and panel discussion with Le Wagon graduates about their learning journeys and job experiences. Learn about Web Development, Data Science & AI, and Data Analytics bootcamps. Discuss career change, freelancing, or launching a venture. Q&A and free drinks included.

• Tokyo HackerSpace Weekly JP | 🕢 19:30 | HackerSpace, Tokyo | 🇯🇵 | 🔗Link: Weekly gathering for tech enthusiasts, makers, and hackers to collaborate, share ideas, and work on projects together. In Japanese.

• Prime Strategy AI Engineer Recruitment Seminar | 🕐 19:30 | Online | 🇯🇵 | 🔗Link: A two-part seminar on Prime Strategy’s AI business and AI engineer recruitment, and how to use Python and data analysis for career change. The first part covers AI business and recruitment, while the second part focuses on career advice and using Python/data analysis for job transitions.

Thursday, May 29

• RIKEN AIP Workshop on Molecular Informatics | 🕐 10:00 | Online | 🇬🇧 | 🔗Link: Hybrid workshop on AI in molecular sciences, held online and in-person at RIKEN AIP Open Space (Nihonbashi office, for AIP researchers only). Features talks on AI algorithms, applications in molecular biology, protein science, chemistry, and materials science.

• Yokohama Startup Lunchclub | 🕐 11:00 | Tech Hub Yokohama | 🇬🇧 | 🔗Link: Yokohama Startup Lunchclub fosters connections and knowledge sharing among entrepreneurs. The event features inspiring conversations, knowledge sharing from guest speakers, and networking opportunities within Yokohama’s startup ecosystem. Held at Tech Hub Yokohama.

• Thursday Gathering | 🕐 16:00 | Cic Tokyo | 🇬🇧🇯🇵 | 🔗Link: Thursday Gathering #338 features various sessions, including “How to Enjoy Thursday Gathering,” “Tech for Impact,” discussions on dreams and society, GX Insight Hub focusing on sustainable technologies, Ecosystem Insight on Japan Atomic Energy Agency’s initiatives, a meetup for beginners, and a session on creating a unicorn company. The event expects a diverse mix of innovators, entrepreneurs, and community members.

• Kyoto Tech Talk | 🕐 19:00 | Kyoto Economic Center | 🇯🇵 | 🔗Link: Kyoto Tech Talk #8, offline event in Kyoto. Engineers from various companies will discuss service development, technical tips, and more. Networking opportunity after the sessions. Focus on service development and technical exchange for engineers. Note: Not for those with COVID-19 symptoms.

Friday, May 30

• Tokyo Fail Club 3 | 🕐 18:30 | Shibuya Stream, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Tokyo Fail Club is a community for creative individuals to share stories about failure. Speakers share their experiences and lessons learned, followed by Q&A and networking. This event features speakers Melynie Yoneda, Alejandro Pascual, and Viran Pandya, discussing their failures and insights.

• TAI AHR 8 - AI x Drones | 🕐 18:30 | Bunkyo City, Tokyo | 🇬🇧 | 🔗Link: This session focuses on drones, featuring applied talks, research, and potentially an investor in drone companies. The event includes talks, networking, and runs from doors open at 6 PM to close at 9 PM. TAI is Japan’s largest AI community with 2400+ members.

• Business and Beers | 🕐 19:00 | Cheruru Noge, Yokohama | 🇬🇧 | 🔗Link: Casual networking event for Japanese and foreign entrepreneurs in Yokohama. Interactive business conversations and beer. 500 yen discount for BnB members.

Saturday, May 31

• Daikanyama Morning Code | 🕐 09:00 | Dean & Deluca, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Free meetup for tech enthusiasts of all levels. Discuss code, web development, design, cloud, blockchain, or AI. Share projects and ideas. Purchase at the venue may be required. 3000 yen fee if not on the ‘Going’ list.

• MDN Editing Hands-on at OSC 2025 Nagoya | 🕐 16:15 | Nagoya | 🇯🇵 | 🔗Link: Hands-on seminar on editing MDN Web technology documentation at OSC 2025 Nagoya. Offline seminar for those interested in web technologies and contributing on GitHub. Prior GitHub account registration recommended. Bring a laptop or tablet with keyboard.

Sunday, June 1

• Digital Nomads Morning Activity | 🕐 10:00 | Midori.so Aoyama, Tokyo | 🇬🇧 | 🔗Link: Morning activity event for digital nomads and expats in Tokyo. Connect internationally, make memories, and network. Possible TV filming. Limited to 25 people. RSVP early.

• AI Agent 1Day Hackathon - Health Concierge | 🕐 11:00 | Fingate Kayaba, Tokyo | 🇬🇧 | 🔗Link: 4-hour hackathon focused on developing AI agents for personal health management. Open to all skill levels, from developers to healthcare professionals. Activities include a technical workshop, team networking, ideation, hacking, and pitching prototypes.

• Shibuya Lunchtime Leetcode | 🕐 13:00 | Starbucks Coffee - Shibuya Modi, Tokyo | 🇬🇧 | 🔗Link: Coding, web dev, design, cloud, AI meetup. All levels welcome. Bring laptop, enjoy coffee, work on coding interview problems, connect with others.

Disclaimer

Events above are collected from a variety of online open sources. There might be changes or cancellations. Please check the event page for the most up-to-date information.

If you have an event to share, please let us know - we’d love to include it in our next digest! Mail us at [email protected].