Japan, Tokyo Weekly Tech Event Digest [`25 Jun 23 - Jun 29]

Hello, tech enthusiasts! Hope you’re having a great week. Here’s a list of upcoming tech events in Japan for the week of June 23 - June 29.

Events

Monday, June 23

• AI & Programming Experience | 🕐 19:00 | Telework Meeting Room Clover, Hiroshima | 🇯🇵 | 🔗Link: Hands-on experience creating a web app with AI, integrating front-end and database. A follow-up to the first session, focusing on practical application. Geared towards beginners interested in AI and programming. Led by Junya Kaneko, CEO of Morning Project Samurai. Includes company info and intro to their engineer training program.

• Author Talk Event: Secrets of “Privacy Protection for Machine Learning” | 🕐 19:00 | Line Yahoo Kioi-cho Office, Tokyo | 🇯🇵 | 🔗Link: A talk event commemorating the publication of the Japanese translation of “Privacy Protection for Machine Learning.” The event introduces the book, provides basic knowledge of differential privacy, and showcases application examples at LINE Yahoo.

• VS Code Monthly Update | 🕐 21:00 | Online | 🇬🇧 | 🔗Link: VS Code’s monthly updates are presented by VS Code Meetup members. The session will be streamed on YouTube Live. The first update will be introduced. The content and schedule are subject to change.

• Sendagaya.rb #498 | 🕐 21:00 | Online | 🇯🇵🇬🇧 | 🔗Link: Online Sendagaya.rb meetup. Discussion topics include RubyKaigi 2025, Kaigi on Rails 2024, and general Ruby/Rails development. Held via Google Meet. Participants are encouraged to join the Slack community.

Tuesday, June 24

• Protecting Data Beyond Differential Privacy | 🕐 01:30 | Online | 🇬🇧 | 🔗Link: This online event explores privacy in machine learning and AI. Professor Olya Ohrimenko discusses attacks targeting algorithms, including differential privacy implementations, and mitigation strategies like property-preserving analysis. She introduces ElephantDP, a system for secure execution of differential privacy algorithms.

• 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.

• Data Intelligence Tokyo | 🕐 18:00 | Wework Shinagawa, Tokyo | 🇬🇧 | 🔗Link: Data Intelligence Tokyo #16, a community for business and tech professionals interested in data. Focus on data strategies, organizations, management, governance, platforms, products, and AI governance. Lightning talk by Jose Uzcategui on Data-Driven Marketing Foundations with Google. Networking with food and drinks.

• HERP TypeScript Discussion | 🕐 19:00 | Online | 🇬🇧 | 🔗Link: Two new graduate engineers from HERP discuss their TypeScript learnings, insights from recent conferences, and real-world applications. The event is for engineers interested in TypeScript, HERP, and practical development knowledge.

• 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.

• Drinks With Founders | 🕐 19:30 | Shibuya, Tokyo | 🇬🇧 | 🔗Link: Networking event for entrepreneurs in Tokyo. Purchase one drink from sponsor Perrys Bar on the 7th floor.

Wednesday, June 25

• Bayes-Duality Workshop | 🕐 08:30 | Online | 🇬🇧 | 🔗Link: The 3rd Bayes-duality workshop focuses on AI development for adaptive, robust, and continuous learning. Part 2 is open to the public via live stream, featuring invited talks by world-leading researchers. Presentations are in English, streamed in webinar mode. Register in advance for the Zoom webinar.

• YOKOHAMA CONNECT #16 | 🕐 16:00 | Tech Hub Yokohama | 🇬🇧🇯🇵 | 🔗Link: YOKOHAMA CONNECT #16, held at Tech Hub Yokohama, offers various sessions such as learning how to enjoy the event, building innovative organizations with AI, career empowerment lessons, and a panel discussion on community support. The event includes workshops and roundtable discussions.

• 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.

• Growth Hub: Pitch Roleplay | 🕐 16:30 | Shibuya Startup Support, Tokyo | 🇬🇧 | 🔗Link: Growth Hub session with Tetsuya Akisada from NTT East Japan on pitching to Japanese stakeholders. Francisco will moderate and translate. Fill out the form before joining. Shibuya Startup Support helps startups in Japan. Attendees agree to their Service Policy and consent to being photographed/recorded.

• React Native Meetup | 🕐 19:00 | My Best | 🇬🇧🇯🇵 | 🔗Link: 22nd React Native Meetup, co-hosted with My Best. Featuring a presentation by cpojer, former React Native team manager at Facebook. LT speakers are welcome. Topics related to React Native are OK. Presentations can be in Japanese or English.

• 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.

Thursday, June 26

• AI Alliance Summit Tokyo: Open Innovation in the Age of Agents | 🕐 08:30 | Meta Tokyo Office | 🇬🇧 | 🔗Link: The AI Alliance Summit Tokyo 2025 focuses on open source AI. It brings together developers, researchers, leaders, and policymakers at Meta’s Tokyo office. The event covers real-world AI use cases, fosters collaboration, and introduces projects from the AI Alliance. Attendees can discover open source innovations, engage with global working groups, contribute to open source projects in various domains, and network with leaders.

• AI Alliance Summit Tokyo | 🕐 08:30 | Meta Office, Tokyo | 🇬🇧 | 🔗Link: The AI Alliance Summit Tokyo 2025 focuses on industrial and sovereign AI in the agentic era. The event features discussions on open-source AI innovations, working groups in semiconductors and industrial AI, and networking opportunities. It is hosted at Meta’s Tokyo office and will not be livestreamed.

• Yokohama Startup Lunchclub | 🕐 11:00 | Tech Hub Yokohama | 🇬🇧 | 🔗Link: Monthly networking event for entrepreneurs, innovators, and professionals in Yokohama. Connect, collaborate, and explore opportunities. Guest speakers, networking, and discussions on the latest trends and resources.

• Science Tokyo Startup Night | 🕐 15:30 | Cic Tokyo | 🇬🇧🇯🇵 | 🔗Link: Science Tokyo Startup Night 2025 showcases university-born tech startups tackling global challenges. 20 entrepreneurs and researchers will present their work and visions. The event includes talks, startup pitches, and discussions on fostering a successful ecosystem.

• GO GLOBAL: CONNECT | 🕐 17:00 | Antler Japan Office, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Networking event for startups, business professionals, and builders interested in global business challenges. Connect with like-minded individuals, exchange ideas, and expand your network. Light refreshments will be provided.

• A11yTokyo Meetup | 🕐 19:00 | Dentsu Building, Tokyo | 🇬🇧🇯🇵 | 🔗Link: In-person networking event with a guest speaker from Canada. Robert Carr will discuss Canadian accessibility regulations and building inclusive organizations. The event includes networking opportunities and a Q&A session. Open to all, regardless of nationality or background.

Friday, June 27

• Zero to One User: Brunch for Founders | 🕐 08:45 | Hotel Metropolitan Edmont Tokyo, Tokyo | 🇬🇧 | 🔗Link: TechBrunch meetup on early user acquisition. For non-technical cofounders, technical founders, side hustlers, open-source creators, and engineers. Relaxed brunch, informal talks, open discussions, and networking. Free meals for first-time attendees who RSVP on meetup.com.

• How Not To Be Boring | 🕐 18:30 | Impact Hub Tokyo | 🇬🇧 | 🔗Link: Casual discussion about daily life conversations. Topics include what makes a good conversation and how to avoid being boring. Not a philosophical debate or dating meetup. Focus on listening, being heard, and having fun. Small group discussions facilitated. Purchase of one item required to support the venue.

Saturday, June 28

• Daikanyama Morning Code | 🕐 09:00 | Dean & Deluca, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Free meetup for those interested in code, web development, design, cloud, blockchain, or AI. All levels welcome. Bring your laptop, discuss your work, share projects, and connect with other participants. A 3000 yen fee applies for those not on the ‘Going’ list.

• PHP Conference 2025 | 🕐 09:50 | Ota-ku Sangyo Plaza Pio, Tokyo | 🇬🇧 | 🔗Link: PHP Conference 2025 will be held at Ota-ku Sangyo Plaza PiO, Tokyo, on June 28, 2025. The conference offers over 40 sessions on PHP trends, core technologies, and beginner topics. Attendance is free, but registration is required. Additional information, including the timetable and sponsors, is available on the official website and Twitter.

• Saturday Morning UX Meetup | 🕐 10:00 | Geihinkan Rest Area (cafe Comodo), Tokyo | 🇬🇧🇯🇵 | 🔗Link: Casual meetup for UX professionals and enthusiasts in Tokyo. Coffee, tea, and conversation from 10 AM to 12 PM on Saturday, June 28th. Hosted by Max, a UX consultant. The event is free, but attendees should purchase a drink from the cafe.

• TORYUMON TOKYO RISE | 🕐 12:45 | Tokyo Port City Takeshiba Port Hall / Port Studio, Tokyo | 🇬🇧 | 🔗Link: Startup event for under-25s, featuring young entrepreneurs, aspiring founders, and those interested in startups. Offers networking opportunities with prominent figures in various fields, and a chance to explore startup careers. Includes pitch sessions, fireside chats, and networking.

• AI Coding Mastery - VS Code Meetup x GitHub dockyard | 🕐 13:00 | Arara Inc., Tokyo | 🇬🇧 | 🔗Link: VS Code Meetup and GitHub dockyard collaboration event focusing on AI-driven coding. Includes Vibe Coding session, lightning talks on VS Code/GitHub, and updates from both communities. Sponsored by Mercari and Arara Inc.

• StartupWeekendYokohama13 After Event | 🕐 13:00 | Iwasaki Gakuen Information Science College, Yokohama | 🇯🇵 | 🔗Link: After-event for StartupWeekend Yokohama 13. Hear the winning team’s story, learn about Startup Weekend, and see idea pitches from students. Networking opportunities available.

• Serverless Meetup Osaka | 🕐 14:30 | Cyberagent Osaka | 🇬🇧 | 🔗Link: Serverless Meetup Osaka focuses on LLM and vector search, featuring a workshop on application building with Dify, TiDB, and AWS. LT sessions (5-10 min) are also available. The meetup aims to provide a platform for learning and exchanging information about serverless technologies.

• Digital Nomads Cozy Night | 🕐 17:00 | Goodcoffee Gakugeidaigaku, Tokyo | 🇬🇧 | 🔗Link: Cozy Night for digital nomads and expats in Tokyo. Connect internationally, make memories, and network. BYO food and drinks. Limited to 25 people. Event will be held at goodcoffee Gakugeidaigaku. Photos and videos will be taken.

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].