Japan, Tokyo Weekly Tech Event Digest [`25 Oct 20 - Oct 26]

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 October 20 - October 26. 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, October 20

• Hot & spaCy: Let’s Unpack NLP Over Brunch | 🕐 07:45 | Hotel Metropolitan Edmont Tokyo | 🇬🇧 | 🔗Link: A casual brunch for NLP enthusiasts, including computational linguists, data scientists, and developers. Discuss topics like LLMs, prompt engineering, and ML frameworks in a relaxed atmosphere. This is an opportunity for networking and sharing lessons learned from real-world NLP projects.

• Symmetric Diffusers: Learning Discrete Diffusion on Finite Symmetric Groups | 🕐 11:00 | Online | 🇬🇧 | 🔗Link: This talk presents SymmetricDiffusers, a novel discrete diffusion model for learning probability distributions over finite symmetric groups. The model uses riffle shuffle and a generalized Plackett-Luce distribution, achieving state-of-the-art performance on tasks like sorting images, jigsaw puzzles, and traveling salesman problems.

• Sportstech in STATION AI | 🕐 16:00 | Station AI | 🇬🇧🇯🇵 | 🔗Link: This event discusses the potential for innovation in the Japanese sports industry by learning from domestic and international case studies. It is recommended for those interested in Sportstech, global sports communities, and companies considering collaboration or investment in the sports/Sportstech field.

• RIKEN Diversity Seminar for Junior High and High School Students | 🕐 18:30 | Online | 🇯🇵 | 🔗Link: An online seminar for junior and high school students, featuring female researchers in AI. This session, led by Associate Professor Yukino Baba, explores AI that helps with consensus building beyond simple majority rule, aiming for a fairer society through human-AI collaboration.

• TORYUMON ZERO: Team Building & CxO Recruiting Strategy | 🕐 19:00 | Online | 🇯🇵 | 🔗Link: A session by Mr. Nagamura of EVeM Inc. on team building for startups. The talk focuses on the role of venture managers, management case studies, and strategies for identifying and recruiting future CxO talent to foster growth.

• Sendagaya.rb 509 | 🕐 21:00 | Online | 🇯🇵 | 🔗Link: An online meetup for the Sendagaya.rb community, a regional Rubyist group. The event, held on Google Meet, will feature discussions on topics from Kaigi on Rails and RubyKaigi, development consultations, and collaborative study. All levels, including beginners, are welcome to join this casual gathering.

Tuesday, October 21

• Zero to One User: A Casual Brunch for Founders | 🕐 07:45 | Hotel Metropolitan Edmont Tokyo | 🇬🇧 | 🔗Link: Join TechBrunch, a meetup focused on acquiring your first tech users. This event is for founders, side hustlers, and anyone involved in early-stage user acquisition. Expect a relaxed brunch with informal talks, strategy sharing, and networking with fellow founders to discuss early wins.

• 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.

• 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.

• UX for AI Study Group | 🕐 20:00 | Online | 🇯🇵 | 🔗Link: A study group focused on effectively utilizing AI in products by learning from global case studies. This discussion-based session will review articles from a world-renowned expert to improve Japanese products and services. The event also serves as preparation for an upcoming workshop.

Wednesday, October 22

• Blockchain & Decentralized Trust Track in LF Japan Community Days OSAKA | 🕐 09:00 | Jec Japan Training Center Shinsaibashi | 🇯🇵 | 🔗Link: As part of the first-ever LF Japan Community Days in Osaka, this track focuses on blockchain and decentralized trust. Hosted by the LFDT Japan Chapter, it will feature presentations on LFDT activities and case studies of decentralized trust systems. A great opportunity for networking.

• Study Session on The Guide To Design | 🕐 12:00 | Online | 🇯🇵 | 🔗Link: An online study session for professionals like designers, PMs, researchers, and engineers. This event is part of a series for a deep dive into the global UX document ‘The Guide To Design’ by UX Collective. This particular session covers ‘Interacting with Users (4/4)‘.

• Getting Started with CI/CD on CircleCI | 🕐 14:00 | Online | 🇯🇵 | 🔗Link: This webinar is for those considering introducing CI/CD or are new to CircleCI. It introduces the basic concepts of CircleCI, a powerful CI/CD platform that automates building, testing, and deployment to improve development speed and quality. Includes a live demonstration of setup and pipeline execution.

• Startup English Pitch Practice Session | 🕐 16:00 | Online | 🇬🇧 | 🔗Link: An exclusive, invitation-only session for startup founders to practice their pitch in English. Participants receive valuable feedback from experienced mentors, build confidence, connect with global VCs, and enhance their chances of raising global funding.

• YOKOHAMA CONNÉCT 24 | 🕐 16:00 | Tech Hub Yokohama, Yokohama | 🇯🇵🇬🇧 | 🔗Link: A networking event for innovators and entrepreneurs. The event includes sessions on global matching, innovation, crossover investment, and the potential of Yokohama, offering opportunities to connect and share ideas.

• 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.

• The Agent Revolution: Building Tomorrow’s AI | 🕐 18:30 | Money Forward Inc. Head Office | 🇬🇧 | 🔗Link: Join an offline event by Money Forward, Tokyo AI, and Databricks exploring the world of AI agents. The event focuses on the latest developments in autonomous AI systems, intelligent agents, and their real-world applications. Ideal for AI researchers, ML engineers, data scientists, and product managers.

• Tokyo dbt Meetup 17 | 🕐 19:00 | Yappli Inc. Tokyo Office | 🇬🇧🇯🇵 | 🔗Link: A networking event for data professionals focusing on dbt. This session will review the ‘Coalesce 2025’ conference, covering the latest updates on topics like Fusion and Iceberg to help attendees catch up on global trends.

• LINE Yahoo ABEMA Meetup - Data Science | 🕐 19:00 | Line Yahoo Kioicho Office, Tokyo | 🇯🇵 | 🔗Link: A joint meetup by LINE Yahoo and AbemaTV to share case studies in data science. Topics will cover a wide range including evaluation metrics, standardization activities, management, and logic improvement. The event is open to anyone interested in data science.

• 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, October 23

• Road to NODES | Knowledge Graph AI Agents with Neo4j MCP | 🕐 01:00 | Online | 🇬🇧 | 🔗Link: A hands-on workshop on building smarter AI agents with persistent, graph-based memory using Neo4j’s Model Context Protocol (MCP). Learn to set up a knowledge graph, integrate GraphRAG, and deploy an agent with evolving contextual memory. By the end, you’ll have a production-ready AI agent.

• Thursday Gathering 357 | 🕐 16:00 | Cic Tokyo | 🇬🇧🇯🇵 | 🔗Link: A weekly gathering for innovators to connect and learn. This event features multiple sessions on topics like AI in creative design, global ambition, startups by female entrepreneurs, a meetup for beginners, and a pitch workshop. The event supports both in-person and online participation.

• Korean Startup Pitch in Osaka - KSC Fall | 🕐 17:00 | Hoopslink Kansai | 🇬🇧🇯🇵 | 🔗Link: A pitch and networking event featuring 10 promising Korean startups selected by a government program. This event aims to connect the startups with Japanese companies and investors to explore opportunities for technological cooperation, business co-creation, and capital alliances.

• Space Cafe Tokyo | 🕐 20:00 | Good Heavens British Bar Tokyo | 🇬🇧 | 🔗Link: An astrophysics talk on how gravitational lensing unveils the secrets of the universe. Discover what this phenomenon teaches us about our galaxy and the cosmos with speaker Dr. Eric Paic from the University of Tokyo. Held at a British bar in Shimokitazawa.

Friday, October 24

• Connect On-prem Solutions via NLIP | 🕐 01:00 | Online | 🇬🇧 | 🔗Link: This session showcases how the Natural Language Interaction Protocol (NLIP) can integrate on-premises resources like Active Directory with cloud providers such as ServiceNow. It will also cover moderating communications to prevent issues like jailbreaking. The event is for developers, researchers, and anyone interested in practical AI solutions.

• Road to NODES | 🕐 01:00 | Online | 🇬🇧 | 🔗Link: In this workshop, you’ll create your own agent in Neo4j Aura, complete with a UI and a real use case around legal documents and KYC checks. Learn to build an agent that can understand your data and answer complex questions.

• NAGOYA CONNÉCT 107 | 🕐 17:00 | Nagono Campus, Nagoya | 🇯🇵🇬🇧 | 🔗Link: A networking event with sessions on topics like leadership for corporate innovation, the latest M&A and IPO trends, and work-life balance. The event aims to connect innovators and provide learning opportunities for a diverse audience.

• XR Tokyo + Tokyo Game Bridge - Community Link Up | 🕐 19:00 | Institut Francais | 🇬🇧🇯🇵 | 🔗Link: A collaborative meetup by XR Tokyo and Tokyo Game Bridge celebrating gaming and XR in Tokyo. This event offers an evening of networking, creative exchange, and hands-on demos for both games and XR.

• Co-Founder CONNECT - Antler Residency in Japan | 🕐 17:00 | Antler In Japan, Tokyo | 🇯🇵🇬🇧 | 🔗Link: An exclusive matchmaking event for entrepreneurs seeking co-founders. This is a chance to meet like-minded innovators and connect with exceptional founders from the Antler Residency in Japan, a cohort selected from the top 7% of applicants. Build relationships and launch successful collaborations.

Saturday, October 25

• Marunouchi Morning Code | 🕐 10:00 | Dean & Deluca Cafe Marunouchi, Tokyo | 🇬🇧🇯🇵 | 🔗Link: A meetup for those interested in code, web development, design, cloud, blockchain, or AI. All levels are welcome to bring a laptop, discuss what you are working on or learning, and share projects and ideas with other participants.

• Coffee and Code | 🕐 10:00 | Starbucks, Roppongi Hills | 🇬🇧🇯🇵 | 🔗Link: A relaxed event for people who code, want to start, or work in any IT-related field. Bring a laptop, grab a coffee, and talk about your projects or what you’re learning. Get help, share tips, and connect with other participants. All nationalities and ages are welcome.

• Vue Fes Japan 2025 | 🕐 10:00 | Otemachi Place Hall & Conference, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Japan’s largest Vue.js conference. This event is a festival for the community to learn, share, and enjoy the latest trends in Vue.js and its ecosystem. The conference will feature internationalization efforts, including English translations for Japanese sessions. For details, visit the official website.

• OSS Gate Online Workshop | 🕐 10:30 | Online | 🇯🇵 | 🔗Link: A workshop for beginners to experience contributing to Open Source Software (OSS). With the help of experienced ‘Supporters’, participants will learn the process and make an actual contribution to an OSS project. This event is held online.

Sunday, October 26

• Digital Nomads Morning Activity in Nakameguro | 🕐 09:00 | Dean & Deluca Cafe Tokyo College Of Music Nakameguro・daikanyama Campus | 🇬🇧 | 🔗Link: A relaxed morning gathering for digital nomads, expats, and internationally-minded locals to meet and make new connections. There is no entrance fee, but attendees are expected to pay for their own food and drinks. The primary language of communication is English.

• Global Tech Skill-Boost Meetup | 🕐 10:00 | Kikkake Creation Inc., Shibuya | 🇬🇧🇯🇵 | 🔗Link: An international tech meetup in Tokyo for developers to study, share knowledge, and connect across cultures. Participants can work on personal projects or join prepared exercises. The event is open to all skill levels and offers a chance to hear from engineers about their careers in Japan.

• Vibe Coding Exhibition: When Everyone Creates | 🕐 13:30 | Impact Hub Tokyo | 🇬🇧 | 🔗Link: An exhibition showcasing creations built with ‘vibe coding’, breaking down barriers between design, engineering, and art. The event features project showcases, keynote speakers, and networking opportunities for anyone curious about democratizing creation and connecting with industry leaders and fellow makers.

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].