Japan, Tokyo Weekly Tech Event Digest [`25 Sep 15 - Sep 21]

Hello, tech and startup enthusiasts! Hope you’re having a great week. Here’s a list of upcoming tech events in Japan for the week of September 15 - September 21. Whether you’re into coding, AI, startups, or just looking to network, there’s something for everyone. Check out the details below and mark your calendars!

Events

Monday, September 15

• AWS AI Agent 1Day Hackathon | 🕐 12:30 | Aws Startup Loft Tokyo | 🇬🇧🇯🇵 | 🔗Link: One-day hackathon focused on building AI agents using Amazon Bedrock AgentCore. Participants will develop unique AI agents, potentially for an AI Agent Marketplace. The event features hands-on technical sessions, sample code, and networking opportunities. Bilingual event (Japanese and English).

• VS Code Monthly Update | 🕐 21:00 | Online | 🇬🇧 | 🔗Link: Monthly update on VS Code by meetup members. Streamed on YouTube Live. Covers v1.104 update. Content and schedule subject to change. VS Code Meetup welcomes newcomers. Announcements via connpass messages. Contributor Covenant Code of Conduct applies.

Tuesday, September 16

• Business Storytelling Seminar | 🕐 10:00 | Online | 🇯🇵🇬🇧 | 🔗Link: Learn how to craft compelling stories for business. This seminar introduces a versatile storytelling framework applicable to various roles. Discover how to create resonant messages, with practical examples and AI tool demonstrations. Ideal for those looking to enhance their communication and engagement skills.

• Weekly Lunch @ TiB | 🕐 11:30 | Tokyo Innovation Base, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Weekly startup lunch networking in Tokyo. Entrepreneurs, investors, and enthusiasts connect over lunch. Bring your own or buy from food trucks. Casual conversations and discussions.

• Gemini CLI Hands-on: Build Your Own Chrome Extension | 🕐 19:00 | Google Shibuya Office, Tokyo | 🇬🇧🇯🇵 | 🔗Link: A hands-on event for beginners to create Chrome extensions using Gemini CLI. The event includes sessions on building a visual web page manipulation extension and leveraging Gemini CLI for document creation and media generation.

• 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, September 17

• Hot & spaCy: Unpacking NLP Over Brunch | 🕐 08:45 | Hotel Metropolitan Edmont Tokyo | 🇬🇧 | 🔗Link: TechBrunch explores NLP. Casual brunch setting for discussing techniques, tools, and challenges in NLP. Ideal for computational linguists, computer scientists, data scientists, and anyone curious about NLP. First-time attendees RSVPing via meetup.com get free meals.

• Yokohama Startup Lunch | 🕐 11:30 | Tech Hub Yokohama, Yokohama | 🇬🇧 | 🔗Link: Monthly networking event for entrepreneurs, innovators, and professionals in Yokohama. Connect, collaborate, and explore opportunities. Lunch not provided.

• RIKEN AIP AI Security and Privacy Team Achievement Workshop | 🕐 13:30 | Online | 🇬🇧🇯🇵 | 🔗Link: RIKEN AIP AI Security and Privacy Team Achievement Workshop, held online on Sept 17, 2025, from 13:30 to 17:10 JST. Featuring presentations by professors from various universities and a poster session.

• BRMS Introduction | 🕐 15:30 | Online | 🇯🇵 | 🔗Link: Intro to BRMS, benefits, case study from Sompo Japan, AI solutions, and Python market trends. Co-hosted by InnoRules, Prime Strategy, and Python Engineer Promotion Association.

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

• After DroidKaigi at LINE & ZOZO | 🕐 19:00 | Lineヤフー株式会社 紀尾井町オフィス, Tokyo | 🇬🇧🇯🇵 | 🔗Link: A review of DroidKaigi 2025, featuring presentations, a panel discussion with speakers and attendees, and a networking session. Co-sponsored by LINE Yahoo Corporation and ZOZO, Inc.

• JAIT Tokyo Networking Night | 🕐 19:00 | Umeko No Ie, Akihabara Station, Tokyo | 🇬🇧🇯🇵 | 🔗Link: JAIT’s 15th Tokyo networking night, connecting the Tokyo community. Bring business cards or LinkedIn for exchanging ideas and insights. Food and drink costs are split at the end.

• THS “Nihongo Night” Open House | 🕐 19:30 | Tokyo Hackerspace | 🇬🇧🇯🇵 | 🔗Link: Tokyo Hackerspace’s open house, held every Tuesday and Wednesday evening. Come and learn about their activities. Tools are available, but 3D printing and laser cutting require preparation. Not the ideal time for those.

• 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.

• Increase visibility and control across hybrid environments | 🕐 21:00 | Online | 🇬🇧 | 🔗Link: This webinar explores IBM’s Hybrid Control Plane for managing complex enterprise IT landscapes. Learn how to gain unified visibility and centralized control across on-prem, cloud, and hybrid environments to streamline monitoring, accelerate integration deployment, and improve governance.

Thursday, September 18

• WordPress High-Speed Server Setup Seminar | 🕐 12:10 | Online | 🇯🇵 | 🔗Link: Seminar for engineers on setting up high-speed WordPress servers using KUSANAGI. Includes a demo and Q&A. For those managing, building, or interested in WordPress server environments.

• FUTURE FOOD CONNECT | 🕐 16:00 | Cic Tokyo | 🇯🇵🇬🇧 | 🔗Link: Focuses on domestic and international movements aiming to create value by fusing food with different fields, especially science and technology. Creates a casual environment where everyone involved in or interested in the future of food can learn, connect, and share ideas.

• AI Salon Kansai | 🕐 18:00 | Osaka, Osaka | 🇬🇧🇯🇵 | 🔗Link: AI Salon Kansai, part of Global Startup Expo in Osaka, features lightning talks from startups. A side event for AI founders, builders, investors, and partners to connect, learn about AI applications and network.

Friday, September 19

• Workshop on Trustable Data-Driven Science | 🕐 13:00 | Online | 🇬🇧 | 🔗Link: Workshop on Trustable Data-Driven Science, exploring cutting-edge machine learning and statistical methods for reliable data-driven science. Focus on robustness and trustworthiness of machine learning models, especially Selective Inference. Leading researchers discuss building a trustworthy foundation for data-driven science.

• TIB Global Day Autumn | 🕐 13:30 | Tokyo Innovation Base, Tokyo | 🇬🇧🇯🇵 | 🔗Link: TIB Global Day Autumn, hosted by Tokyo Metropolitan Government at Tokyo Innovation Base, connects global startups with a sports tech focus. Event includes special sessions, pitches, exhibitions, and networking opportunities with global VCs and accelerators. Primarily in English with Japanese interpretation. Coincides with Global Startup EXPO 2025 and World Athletics Championships.

• Osaka Innovators Mixer | 🕐 18:00 | Hankyu Grand Building 26f Futrworks | 🇬🇧🇯🇵 | 🔗Link: Networking event during Global Startup EXPO (GSE) 2025 in Osaka. Connects global VCs with local startups, corporates, and SMEs. Features startup pitches and networking opportunities. Held in English with translation available.

• JJUG Night Seminar Java 25 Release Event | 🕐 19:00 | Microsoft Japan, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Celebrating Java 25’s release! This seminar covers new features and improvements, including Project Leyden and Foreign Function & Memory API. Speakers: Koichi Sakata and David Buck.

• AI x Programming Experience | 🕐 19:30 | Villent Joy Hakata, Fukuoka | 🇯🇵 | 🔗Link: Introductory AI and programming event. Learn to create a simple web app with AI, explore AI’s role in engineering, and get insights into a full-stack engineer training course. Ideal for beginners interested in AI and programming as potential career paths.

• Nerd Nite Tokyo: Civilization Inspiration | 🕐 20:00 | Ryozan Park Lounge, Toshima City | 🇬🇧 | 🔗Link: Nerd Nite Tokyo #71 features talks on mathematics and climate change in video games. Prasad Cheema discusses life lessons from mathematics, and Stéfan Le Dû explores climate change in the Civilization series. Drinks and food available. Doors open at 7 PM, start at 8 PM.

• TAI x DEEPCORE - AI-Driven Robotics | 🕐 19:00 | Kernel Hongo, Tokyo | 🇯🇵🇬🇧 | 🔗Link: This event explores the evolution of robotics driven by AI. It features speakers from research, development, and business application fields. Discussions will cover the impact of AI on robotics, its industrial applications, and the challenges in bridging research and practical implementation. A networking session is included.

Saturday, September 20

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

• ServerlessDays Tokyo | 🕐 09:00 | Bellesalle Shinjuku South Exit | 🇬🇧🇯🇵 | 🔗Link: ServerlessDays Tokyo 2025 is a two-day event focusing on serverless architecture and AI agent platforms. The conference features keynotes and breakout sessions by leading experts in the field. Topics include serverless architecture design, implementation, and operation, as well as AI agent platforms, developer productivity, and practical applications of serverless technologies.

• Coffee and Code | 🕐 10:00 | Starbucks In Roppongi Hills Lobby, Tokyo | 🇬🇧 | 🔗Link: Relaxed event for coders, aspiring coders, and IT professionals. Bring a laptop, grab coffee, discuss coding/learning, get help, share tips. All nationalities and ages welcome. Lunch at a nearby restaurant from 12:30pm.

• Digital Nomads Morning Activity | 🕐 10:00 | Little Darling Coffee Roasters, Tokyo | 🇬🇧 | 🔗Link: Casual morning meetup for digital nomads, expats, and locals in Tokyo. Connect with others, no entrance fee, pay for own food/drinks. Photos/videos may be taken. Contact yusuke if late. Mainly English.

• Impact Future Weekend | 🕐 13:00 | Sushi Tech Square, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Impact Future Weekend explores impact-driven innovation through sessions, founder stories, and networking. Learn about impact investing, hear from entrepreneurs, and connect with changemakers. Targeted towards students, founders, investors, and anyone interested in entrepreneurship, sustainability, and impact.

• MDN Translation Meetup | 🕐 13:00 | Online | 🇯🇵🇬🇧 | 🔗Link: Monthly online event for translating MDN Web Docs into Japanese. Participants collaborate on translations via Slack, with support for beginners. The event includes introductions, collaborative work sessions, and progress sharing.

• World of AI Coding | 🕐 18:00 | Sam’s Bar Tokyo, Shibuya City | 🇬🇧 | 🔗Link: Workshop on AI coding tools like Claude Code, GitHub Copilot, and more. Learn best practices and position yourself for future changes. Presentation, workshop, and Q&A with software engineer Ovidijus Parsiunas. 1-hour workshop followed by networking.

Sunday, September 21

• ServerlessDays Tokyo 2025 - Workshop Day | 🕐 13:00 | Docomo R&d Open Lab Odaiba, Tokyo | 🇬🇧 | 🔗Link: Hands-on workshops on Serverless technologies. Featuring sessions on Amazon Bedrock AgentCore, TiDB Cloud Starter with Bedrock for AI development, GitHub Copilot for spec-driven development, and a Fastly workshop. Held at docomo R&D OPEN LAB ODAIBA.

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].