Japan, Tokyo Weekly Tech Event Digest [`25 Dec 15 - Dec 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 December 15 - December 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, December 15

• Asia Innovation Summit | 🕐 14:00 | Tokyo Innovation Base | 🇬🇧 | 🔗Link: This summit brings together researchers, entrepreneurs, women leaders, and innovation hubs to explore the future of co-creating innovation in Asia. It will cover topics such as education, deep tech, capital, incubation, and culture, fostering cross-border collaboration in Tokyo’s multicultural innovation hub.

• Dreamflow Meetup Tokyo | 🕐 18:30 | Tokyo | 🇯🇵🇬🇧 | 🔗Link: A meetup introducing ‘Dreamflow’, a new platform fusing AI, visuals, and code. The event features demos, sessions, and a networking party with food and drinks. It is recommended for engineers wanting to accelerate development using AI and those interested in Flutter development.

• ClickHouse Tokyo Meetup Year End Party | 🕐 19:00 | Art Village Osaki View Tower, Tokyo | 🇬🇧🇯🇵 | 🔗Link: A year-end party for the ClickHouse community in Tokyo to celebrate a new joint venture with Japan Cloud. This meetup is for ClickHouse users and data enthusiasts to connect, learn about the latest updates, and enjoy an evening of fun, learning, and networking.

• VS Code Monthly Update | 🕐 21:00 | Online | 🇯🇵 | 🔗Link: A casual talk session where VS Code Meetup members introduce the monthly updates for VS Code. The event will be streamed on YouTube Live.

• Sendagaya.rb #514 | 🕐 21:00 | Online | 🇯🇵 | 🔗Link: A casual weekly online meetup for the Rubyist community to discuss hot topics, get help with development issues, and work on projects. Topics may include Kaigi on Rails, RubyKaigi, reading guides, and more. Held via Google Meet, beginners are welcome.

Tuesday, December 16

• TechBrunch: Where Tech Minds Meet Over Meals | 🕐 07:45 | Hotel Metropolitan Edmont Tokyo | 🇬🇧 | 🔗Link: A casual gathering for tech enthusiasts and professionals to network and discuss the latest technology trends over a meal. This event is for software engineers, data scientists, IT professionals, entrepreneurs, students, and anyone interested in technology.

• TrustML Young Scientist Seminar: Doing, Knowing, and Being | 🕐 10:30 | Online | 🇬🇧 | 🔗Link: A seminar by Prof. Javen Qinfeng Shi exploring Causal and Responsible AI through the interwoven dimensions of doing, knowing, and being. The talk will examine AI’s capabilities, genuine comprehension in models, and the moral imperatives for the future of intelligence, reimagining intelligence in humans and machines.

• 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.

• JVA Product Expo Fall ‘25 | 🕐 18:30 | Cic Tokyo | 🇬🇧 | 🔗Link: Showcase of innovative products by the Fall 2025 cohort from top universities like The University of Tokyo and Waseda. This event is for students and startup enthusiasts interested in learning how to build products and connect with like-minded peers to witness the next generation of entrepreneurs.

• 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.

• Warm-Up Session: AI Tools Prep & Team Matching | 🕐 20:00 | Online | 🇯🇵🇬🇧 | 🔗Link: An optional warm-up session for the Minna Hackathon 2025. This event offers hands-on guidance with sponsored AI and No-Code platforms and a team matching session to help participants gain a competitive edge for the main event.

Wednesday, December 17

• Yokohama Startup Lunch | 🕐 11:30 | Tech Hub Yokohama | 🇬🇧 | 🔗Link: A monthly networking event for entrepreneurs, innovators, and professionals to connect, collaborate, and innovate within Yokohama’s startup ecosystem. Engage in inspiring conversations, share knowledge, and expand your professional network. This event is an expansion of the successful Tokyo Startup Lunchclub.

• The Guide To Design Study Session Review | 🕐 12:00 | Online | 🇯🇵 | 🔗Link: A special online review session covering six months of learning from the global UX document ‘The Guide To Design.’ This session is for designers, PMs, and researchers to deepen their understanding of UX through discussion and review of key topics, providing a comprehensive overview for all participants.

• 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.

• 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.

• AI Hack Night - Let’s build AI Agents | 🕐 17:00 | Antler Japan | 🇬🇧🇯🇵 | 🔗Link: A hands-on mini hack event for builders, PMs, designers, and innovators to explore AI agents through rapid prototyping. Participants experiment with new workflows, collaborate, and build small prototypes in just a few hours. All experience levels are welcome.

• GIFU IGNITE 17 | 🕐 17:00 | Toic Gifu Site, Gifu University | 🇯🇵🇬🇧 | 🔗Link: GIFU IGNITE is a quarterly community event focused on innovation and startups in Gifu. It features lectures and talk sessions by diverse innovators, offering participants opportunities to learn, get inspired, and expand their networks. It’s one of Gifu’s largest innovation events.

• Clay in Tokyo: Let’s discover Go-to-Market Engineering! | 🕐 18:30 | Le Wagon Tokyo | 🇬🇧🇯🇵 | 🔗Link: An event in Tokyo focused on Go-to-Market (GTM) Engineering, using data and automation for scalable acquisition. Ideal for founders, marketers, and engineers new to Clay, looking to find and qualify leads in the Japanese market. The event includes a live demo and networking.

• TokyoDev Talks: Test Automation with LLMs / Testing Critical Systems | 🕐 18:30 | Tokyo Innovation Base | 🇬🇧 | 🔗Link: Join the 8th TokyoDev Talks for presentations from engineers at interesting tech companies in Japan. This event is for software developers and related professionals. Topics include test automation with LLMs and testing critical systems. Includes time for networking, with drinks and a light meal provided.

• Serverless Meetup Tokyo 23 - AWS re:Invent re:Cap | 🕐 19:00 | Amazon Web Services Japan | 🇯🇵 | 🔗Link: A recap of AWS re:Invent 2025 focused on serverless. This event will cover new services and updates, their expanded workload capabilities, and how to choose the right services for various use cases beyond traditional serverless, including AI agents and enterprise needs.

Thursday, December 18

• The final Thursday Gathering of the year | 🕐 16:00 | Cic Tokyo | 🇯🇵🇬🇧 | 🔗Link: The final Thursday Gathering of 2025, connecting innovators, entrepreneurs, and community members. The event features multiple sessions and offers both in-person and online participation, providing opportunities for networking and learning to wrap up the year.

• Japan–Saudi Arabia Innovation Gateway Event | 🕐 17:00 | Playground (plug And Play Japan Tokyo Office) | 🇯🇵 | 🔗Link: An event by Plug and Play Japan and dentsu Japan to promote co-creation between Saudi Arabian and Japanese startups. It will feature presentations on various initiatives and discussions on future collaborations. Ideal for businesses, startups, and academia interested in Middle Eastern business opportunities.

• JAPAN & CENTRAL ASIA | Startup Night | 🕐 18:00 | Sivanslab, Tokyo | 🇬🇧 | 🔗Link: An event connecting ecosystem leaders, founders, and VCs from Central Asia and Japan to explore collaboration, market entry, and investment opportunities. The program includes startup pitches, feedback from an international panel, and networking to build partnerships between the two regions.

• Humans, AI, and Robots: Building the Future Together | 🕐 18:00 | Cic Tokyo | 🇬🇧 | 🔗Link: A panel talk about how robotics and AI are shaping our future. Global robotics founders and researchers share insights on how humans and intelligent machines can co-exist. This event is for anyone interested in AI, robotics, and the future of humanity.

• Warm-Up Session: AI Tools Prep & Team Matching | 🕐 20:00 | Online | 🇬🇧🇯🇵 | 🔗Link: An official warm-up session for the Minna Hackathon 2025. This optional event offers a competitive edge through hands-on guidance with sponsored AI and No-Code platforms, and provides an opportunity to finalize team rosters before the main event begins.

Friday, December 19

• iPS Cells x AI Results Workshop | 🕐 13:15 | Online | 🇯🇵 | 🔗Link: A workshop reporting on the results of the RIKEN AIP iPS team. The program includes talks on iPS cells and AI research for medical risk avoidance, drug discovery, and disease analysis. The event also features invited lectures and a general discussion session.

• TSUKUBA CONNÉCT #83 | 🕐 17:30 | Tsukuba Startup Park | 🇯🇵 | 🔗Link: This event explores the potential of deep-tech startups with a global perspective and the evolution of the ecosystem. Sessions will cover funding trends, feature startup pitches, and discuss how to accelerate the commercialization of research. Ideal for researchers, startups, and supporters.

• Front-end Expert Team Discussion | 🕐 18:30 | Recruit Kudan Sakashita Ks Building | 🇬🇧🇯🇵 | 🔗Link: A JavaScript study session hosted by the Node.js Japan User Group. The event will focus on discussing the current state and future of front-end expert teams.

Saturday, December 20

• Marunouchi Morning Code | 🕐 10:00 | Dean & Deluca Cafe, Marunouchi | 🇬🇧🇯🇵 | 🔗Link: A meetup for individuals interested in code, web development, design, cloud, blockchain, or AI. All levels are welcome. Participants are encouraged to bring their laptops to discuss projects, share ideas, and talk about what they are currently working on or learning.

• Coffee and Code | 🕐 10:00 | Starbucks, Roppongi Hills | 🇬🇧🇯🇵 | 🔗Link: A relaxed event for people who code or want to start. Bring a laptop, grab a coffee, and discuss coding projects or learning. Get help and share tips. All nationalities and ages are welcome. Participants can join for lunch nearby afterwards to connect.

• Minna Hackathon | 🕐 10:30 | Kawasaki, Kanagawa | 🇬🇧🇯🇵 | 🔗Link: A one-day innovation sprint where participants use No-Code and AI Agents to turn concepts into launched products. The event challenges entrepreneurs, students, designers, and engineers to create innovative services that resonate with people and solve real-world problems. Features prizes, networking, and expert mentors.

• TORYUMON TOKYO BURST | 🕐 12:00 | Bellesalle Shibuya First | 🇯🇵 | 🔗Link: A startup event for people under 25 (U25). It serves as a gateway to the startup world, connecting young entrepreneurs with investors, politicians, and established founders. The event aims to provide new career options and has helped past attendees secure seed funding.

• Python Boot Camp in Kitakyushu | 🕐 13:00 | Gymlabo, Kyushu Institute Of Technology | 🇯🇵 | 🔗Link: A Python tutorial event in Kitakyushu for beginners with some programming experience. Organized by the PyCon JP Association, it aims to expand the Python community in Japan. Participants will learn Python basics through a hands-on tutorial using a provided text.

• MDN Translation Community Meetup | 🕐 13:00 | Online | 🇬🇧🇯🇵 | 🔗Link: A monthly online meetup for the community to translate MDN Web Docs. This event is open to everyone, from beginners to experienced translators. Support will be provided for new participants on how to get started with translation and using tools like GitHub.

• Talks by People with Experience Abroad | 🕐 16:00 | Online | 🇯🇵 | 🔗Link: A casual online event for those interested in working, studying, or living abroad. Experienced speakers will share their stories in short sessions. This is a great opportunity to get motivation and tips for your own international journey in 2026. The event is held in Japanese.

• Python Boot Camp in Kitakyushu Networking Event | 🕐 18:00 | Shubo Mantaro, Kitakyushu | 🇯🇵 | 🔗Link: This is a networking event after the Python Boot Camp in Kitakyushu. It’s an opportunity for participants to share their thoughts and discuss Python learning methods. The event is open to both tutorial attendees and those who wish to join the networking event only.

• Tech Networking Year-End Meetup in Shibuya | 🕐 18:00 | Sam’s Bar Tokyo | 🇬🇧🇯🇵 | 🔗Link: A casual networking event for IT professionals and those interested in software engineering to connect and explore career opportunities. Held at a cozy bar in Shibuya, this year-end meetup is a chance to meet people from diverse IT backgrounds. Food will be available.

Sunday, December 21

• Digital Nomads Chill Out at Food Hall in Nihonbashi | 🕐 18:00 | Commissary Nihonbashi | 🇬🇧 | 🔗Link: A relaxed social event for digital nomads, expats, and internationally-minded locals to meet and make new connections. Attendees pay for their own food and drinks as there is no entrance fee. Communication will be mainly in English.

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].