Tokyo Test Fest is a premier international Software Quality Assurance & Test conference hosted in Japan. It is crafted to provide a platform where both Japanese and English-speaking people can meet with international keynote speakers, learn, make connections and most importantly have fun!

14 November 2025 - Osaki Bright Core Hall, Tokyo
About
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Session Speakers
Tutors
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What to expect
We expect 250+ attendees to the conference from all around the world, primarily: Software Testers and Test Analysts, QA Engineers, Developers, Test Managers, Team Leads.

Our Partners
- Professional Partner -
Japan Software Testing Qualifications Board (JSTQB) is the organization responsible for certifying software testing professionals in Japan.
The certifications issued by JSTQB are recognized in over 130 countries through ISTQB.
Additionally, JSTQB certifications are included in the qualifications that IT professionals should obtain as defined by Japan’s national IT strategy.
- Gold Partner -
Autify is an AI-powered software testing platform that enables teams to automate their applications with ease. It simplifies the testing process by allowing users to create, execute and manage tests by partnering with AI.
- Silver Partner -
TokyoDev’s job board is filled with software developer positions at Japanese companies whose engineer team’s primary language is English. From the big companies you’ve already heard of, to smaller up-and-coming startups, our positions offer you the chance to live in Japan but work in an international environment.
- Silver Partner -
CircleCI is a leading CI/CD platform that helps teams automate builds, tests, and deployments. With flexible workflows and powerful integrations, it enables faster, more reliable software delivery.
- Bronze Partner -
yamaneco is a consulting/coaching company located in Tokyo, Japan. We explore and pursue new ways of defining value, collaborating, and practicing at work. We challenge the status-quo and support our clients to build learning and adapting organizations. We believe that work should be human, enjoyable, exciting, and fun!
Venue of TTF 2025 is
Osaki Bright Hall
- In the center of Tokyo
- For up to 460 attendees
- With delicious food & beverages
About Osaki Bright Hall
Osaki Bright Hall is just a few minutes from Osaki Station, and can host around 460 people. We serve delicious lunch and snacks & coffees in the breaks of the conference.
Organizers
Mesut Durukal
Mesut has 15+ years of experience in Industrial Automation, IoT platforms, SaaS/PaaS and Cloud Services, the Defense Industry, Autonomous Mobile Robots, and Embedded and Software applications. Along with having proficiency in product management and quality experiences under his belt, he has taken various roles as (Quality Owner, Hiring Manager, and Chapter Lead) in multinational projects. He has expertise in automation and continuous quality assurance. Besides, he has been facilitating development processes and building the strategy and lifecycle of the projects. He is a frequent international speaker, the best presentation award winner, and a various program committees member.
Csilla Kohl
Csilla organizes professional events for 15+ years now. She worked for the Informa Group/Institute for International Research – the world’s largest conference provider – as a division manager, then she joined HTB and now among other things she is the project manager of HUSTEF, one of the 3 biggest and best SW quality conferences in Europe. She is a passionate community builder, a huge fan of traveling, a proud mom of three and now one of the most excited about Tokyo Test Fest!
Chris Ding
Chris, a passionate QA leader immersed in the vibrant tech community of Japan, brings a unique perspective to the field. Based in Hokkaido, he finds solace and inspiration in the island’s natural beauty, often spending his time off hiking through its breathtaking trails and shredding the slopes on his snowboard. With a focus on web, mobile, and API automation, he contributes to the collective knowledge pool while fostering connections within the community. His dedication extends beyond traditional QA, as he actively participates in building a supportive environment for tech enthusiasts in Japan.
Takuya Suemura
After graduating a university, he worked in an office supply warehouse and started automating boring office tasks with VBA, which led him to become a software engineer; he joined Autify in 2019 and after 4 years as a technical support engineer, he is now the company’s Quality Evangelist. He is an executive committee member of JaSST Online, a symposium on software testing. Author of “Practical guide to test automation” (2024).
Daichi Kawakami
I initially worked as a tester at a third-party testing company but wanted to work within a development team, so I transitioned to a QA role at a startup offering SaaS in the legal domain. In this role, I support the quality of both manual and automated testing and processes within the development team. Additionally, I am active as an organizer and speaker in QA and Scrum communities.
Shinya Inoue
After graduating from a technical high school specializing in information technology, he joined the quality assurance department of a major software manufacturer. In addition to daily testing tasks, he built a GUI test automation system taking into account his programming knowledge. He then moved to XR startup “STYLY” as its first QA. He then became Time Leap Inc., which operates the remote customer service service RURA, and is working to improve quality as the lead of the QA team. His hobbies are playing musical instruments and listening to music. He has recently become addicted to Pokemon cards.