Japan, Tokyo Weekly Tech Event Digest [`25 Jun 9 - Jun 15]

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 9 - June 15.

Events

Monday, June 9

• AI & Programming Experience | 🕐 19:00 | Fureai Rental Conference Room Hiroshima A, Hiroshima | 🇯🇵 | 🔗Link: Hands-on experience creating a web app with AI, integrating front-end and database. Intended for beginners interested in AI and programming. Covers web app development basics and future career skills. Includes a review of the first session, database setup, integration practice, and app-building exercises.

• Digital Nomads Craft Beer Night | 🕐 19:00 | The Folks, Tokyo | 🇬🇧 | 🔗Link: Craft beer event for digital nomads and expats in Harajuku. Casual networking in a loft-style atmosphere. Limited to 25 people. Bring your own soft drinks and food. Photos and videos will be taken. English spoken.

• Sendagaya.rb 496 | 🕐 21:00 | Online | 🇯🇵 | 🔗Link: Sendagaya.rb #496 is an online event discussing topics from RubyKaigi 2025 and Kaigi on Rails 2024. It also offers a platform for consultations on development challenges. The event utilizes Google Meet and encourages participants to join their Slack community. The target audience includes Ruby and Rails enthusiasts and beginners.

• Extended Tokyo - WWDC 2025 | 🕐 23:45 | Online | 🇬🇧 | 🔗Link: Extended Tokyo, an event enhancing the WWDC 2025 keynote experience. Hosted by ZOZO, Inc. and LINE Yahoo Corporation online. Features Lightning Talks by engineers from both companies, covering previous year’s review, predictions, and Apple-related tech. Plus, a panel discussion on the latest announcements. Aims to provide a platform for knowledge sharing and networking among attendees.

Tuesday, June 10

• 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.

• TAI AMA 09: Exploring LLMs | 🕐 18:30 | Minato City, Tokyo | 🇬🇧 | 🔗Link: Four talks on large language models (LLMs), covering prompt reliability, Model Context Protocol (MCP), knowledge retrieval, and decentralized GPU sharing. Speakers include experts from Amazon, Mercari, and Jasmy Lab. Networking session included.

• 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, June 11

• 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 #15 | 🕐 16:00 | Tech Hub Yokohama | 🇬🇧🇯🇵 | 🔗Link: YOKOHAMA CONNECT #15 is a hybrid event with in-person and online participation options. It features sessions on various topics such as enjoying the event, space projects, and career enrichment. The in-person venue is Tech Hub Yokohama.

• Python Meetup Fukuoka | 🕐 19:00 | Wework Daimyo, Fukuoka | 🇬🇧🇯🇵 | 🔗Link: Python meetup for all levels, from beginners to experienced developers. Sharing knowledge, learning about Python, data analysis, and machine learning. Python engineers from various companies share their experiences. Networking opportunities available.

• LINE Yahoo Front-End Engineer Recruitment | 🕐 19:00 | Online | 🇯🇵 | 🔗Link: Recruitment explanation for LINE Yahoo Front-End Engineers. Discussing development of Yahoo! Chiebukuro, Yahoo! Shigoto Catalog, and data group projects. Intended for mid-career professionals interested in front-end engineering at LINE Yahoo.

• 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 12

• Yokohama Startup Lunchclub | 🕐 11:00 | Tech Hub Yokohama | 🇬🇧 | 🔗Link: The Yokohama Startup Lunchclub is a monthly networking event for entrepreneurs, innovators, and professionals. It provides a space for inspiring conversations, knowledge sharing about Yokohama’s startup community, and networking opportunities. The event includes guest speakers and discussions on the latest trends and resources.

• Thursday Gathering | 🕐 16:00 | Cic Tokyo | 🇬🇧🇯🇵 | 🔗Link: Thursday Gathering #340 at CIC Tokyo. Multiple sessions including “How to Enjoy Thursday Gathering”, “Women Leaders Arena”, “Global Expansion Made Simple”, “Climate Fresk Demo”, “J-Startup Hour”, and a meetup for beginners. Online and in-person options available.

• Master the Art of Networking Workshop | 🕐 17:30 | Ivry, Tokyo | 🇬🇧 | 🔗Link: A transformational workshop co-hosted by Omni English and Musubi Tech. Learn mindsets, language, and strategies for networking. Includes access to the Musubi Tech Networking Event with food, drinks, and conversations with founders, creatives, and global professionals. Practice introducing yourself, asking questions, and building rapport.

• TAI: Foundation Models for Robotics | 🕐 18:00 | Tokyo | 🇬🇧 | 🔗Link: This event explores Vision-Language-Action (VLA) models in robotics, covering foundational concepts, deployment challenges, and the need for foundation models in mobile robots. Discussions will highlight how these models enable generalist agents and may reshape embodied AI.

• Global Tech Startups | 🕐 19:00 | Minato City, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Networking event for global tech startups expanding into foreign markets, especially Japan. Features shared experiences, connections, and learning opportunities between international and Japanese leaders. Partner event with Omni English offers a networking workshop at 5:30 PM. Sponsored by IVRy and Y Company.

• Global Tech Startups - Shared Experiences | 🕐 19:00 | Minato City, Tokyo | 🇬🇧 | 🔗Link: Event for founders/executives of startups expanding globally. Includes networking and learning opportunities from Japanese and international leaders. Partner event with Omni English offers a networking workshop at 5:30 PM. Sponsored by IVRy and Y Company. English-only event.

Friday, June 13

• JOnsen 2025 | 🕐 11:00 | Hoshino Resorts Aomoriya | 🇬🇧🇯🇵 | 🔗Link: JOnsen 2025, a Java unconference, will be held at Hoshino Resorts Aomoriya from June 13th to 15th. It includes accommodation, breakfast, and dinner. The event is for Java developers and communities. Limited rooms are available, so attendee selection may occur after applications close.

• Talk by Prof. Brad Rava: A Theory of Indecisions for Classification | 🕐 11:00 | Online | 🇬🇧 | 🔗Link: Prof. Brad Rava discusses selective classification for automated decision-making in high-risk scenarios. The goal is to minimize indecisions while achieving target accuracy. The talk covers minimax risk, hypothesis testing, and the impact of estimating the regression function. Calibration methods and phase transition results are also presented.

• Vue.js v-tokyo Meetup | 🕐 19:00 | Lixil, Tokyo | 🇬🇧🇯🇵 | 🔗Link: 23rd Vue.js user group meetup in Tokyo. Focus on Vue.js use cases, featuring talks by Anthony Fu, LIXIL’s Hal, Studio’s Yuta Ebie, Kousuke Naito, Naoki Haba, and Katashin. Topics include agnostic UI creation, color styling, interactive educational materials, mobile app development with Capacitor, and CSS spring animations.

• Reading Session on Generative AI Papers 2 x Build with AI | 🕐 19:00 | Google Shibuya Office, Tokyo | 🇬🇧🇯🇵 | 🔗Link: A discussion-based event focused on recent LLM and Generative AI papers. It includes a hands-on workshop using Google Colab to experience Gemini’s multimodal capabilities, followed by paper presentations and discussions. The event targets a wide range of participants from beginners to experts, with a focus on multimodal models. Food and drinks will be provided.

• Exploratory Testing Challenge | 🕐 19:00 | Autify Office, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Interactive workshop on exploratory testing for Agile teams. Participants pair up to explore a live website, applying techniques to uncover insights about functionality, usability, and defects. No prior testing experience needed.

• Tech Networking at Atrae Office | 🕐 19:30 | Atrae, Inc., Tokyo | 🇬🇧🇯🇵 | 🔗Link: Networking event at Atrae’s office for IT professionals. Meet people, explore career opportunities, and interact with Atrae employees. Drinks and snacks provided. Fee: ¥1000. Be considerate of others.

Saturday, June 14

• Daikanyama Morning Code | 🕐 09:00 | Dean & Deluca, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Free meetup for tech enthusiasts of all levels interested in code, web development, design, cloud, blockchain, or AI. Bring your laptop, discuss projects, and share ideas. Participation fee of 3000 yen applies if not on the ‘Going’ list.

• TAI LeRobot Hackathon | 🕐 09:00 | Shibuya, Tokyo | 🇬🇧 | 🔗Link: HuggingFace LeRobot hackathon hosted by Tokyo AI (TAI) and Design Thinking Japan. 15 ML/AI engineers and roboticists will assemble and use SO-101 robot arms. Event held in Shibuya, Tokyo from June 14th to 16th.

• VC Career Fair | 🕐 10:00 | Nikai, Tokyo | 🇯🇵 | 🔗Link: The VC Career Fair offers talks, networking with VCs, and career advice. Aimed at those interested in VC careers, the event features panel discussions on career paths and VC daily work, pitches from various VC firms, and one-on-one consultations.

• FP Matsuri 2025 | 🕐 11:00 | Nakano Central Park Conference, Tokyo | 🇬🇧 | 🔗Link: Functional Programming Matsuri 2025, a two-day event on June 14th and 15th. Includes talks, casual meetup, and more. Tickets available with or without meetup access. Non-refundable but transferable.

• Tengu Underground 5.0 | 🕐 11:00 | Kr Ginza Ii, Chuo | 🇬🇧🇯🇵 | 🔗Link: Tengu Underground, a monthly hands-on cybersecurity workshop. Learn web app security, network security, and white hat hacking. Focus on knowledge sharing, hands-on hacking, and networking. Geared towards those interested in expanding cybersecurity knowledge.

• Next GenAI Summit | 🕐 13:00 | Shibuya Scramble Square Office, Shibuya, Tokyo | 🇬🇧 | 🔗Link: A startup event for under-25s interested in AI. Includes a talk session, pitch session, and networking opportunities. Held at DeNA headquarters in Shibuya Scramble Square.

• OSS Gate Online Workshop | 🕐 13:00 | Online | 🇯🇵 | 🔗Link: An online workshop focused on helping beginners contribute to open-source software (OSS). Participants, with support from experienced OSS developers, will choose an OSS project, run it, and provide feedback, such as creating issues or pull requests on GitHub. The workshop will utilize Element for communication and includes icebreakers, explanations of OSS development, and feedback sessions. It’s held on different Saturdays throughout the year.

Saturday, June 15

• DataMinds | 🕐 16:00 | Yoyogi Park, Tokyo | 🇬🇧 | 🔗Link: Casual meetup for AI and data professionals in Tokyo. Connect with others, discuss projects, and learn about industry trends. Open to all.

Sunday, June 15

• Digital Nomads Morning Activity | 🕐 09:00 | Dean & Deluca Nakameguro | 🇬🇧 | 🔗Link: Morning activity for digital nomads and expats in Tokyo. Breakfast, networking, and connecting with others. Limited to 20 people. Event will be 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].