Works

A selection of my professional work, including speaking engagements, seminars, translations, and other projects.

Project image

WealthPark Co., Ltd.

Developing and operating products for real estate management companies and property owners, as well as a digital platform for alternative investments. (2020-present)

Project image

Koiki.fm

Co-hosting a podcast for Engineering Managers (2020-present)

Translation Review of 'Software Architecture and Decision-Making: Leveraging Leadership, Technology, and Product Management to Build Great Products'

Performed a translation review of 'Software Architecture and Decision-Making: Leveraging Leadership, Technology, and Product Management to Build Great Products' (2024))

Translation Review of 'The Staff Engineer's Path'

Performed a translation review of 'The Staff Engineer's Path' (2024)

Introductory ChatGPT Seminar for 'Benefit Station' Users

Conducted an introductory seminar on ChatGPT for Benefit Station users (2023)

Project image

ChatGPT Introduction! - WealthPark Engineers Explain Mechanics, Usage, and Security

Held a seminar explaining the basics of ChatGPT and demonstrating its practical applications (Youtube/2023)

Project image

Startup Engineer Talk: Working in Multinational Teams While in Japan!!

Participated in a panel discussion with Unifa and Beatrust about working in multinational teams (Youtube/2023)

WealthPark Engineering Blog

Started the tech blog at WealthPark (Medium/2023)

What do we want to know through coding assessment

Presented on Coding Assessment at WealthPark (SpeakerDeck/2022)

Project image

Remote Trust - RSGT2022 by Takahiro Fujii, Matteo Carella

Presented with Agile Coach Matteo Carella at Regional Scrum Gathering Tokyo 2022 on building trust in remote work environments (SpeakerDeck/2022)

Project image

Now that the organization has transformed, the next dramatic growth comes from the product. Challenges of a VP of Engineering leading a global engineering organization

Internal interview article at WealthPark (Wantedly/2021)

Collaboration between PO/PdM and Engineers in Squads

Spoke at Product Owner Festival 2021 Spring about cross-functional organizations based on the Spotify Model (SpeakerDeck/2021)

Project image

WealthPark's Product VPs talk about products, technologies, and organization

Internal interview article about product development at WealthPark (Wantedly/2020)

Rakuten, Inc.

Full-stack engineer and engineering manager at Rakuten Travel (2010-2019)

Project image

Large react product with 20+ FrontEnd Engineers in Rakuten Travel(React Tokyo Plus)

Presented at React Tokyo Plus, a React-related meetup (SpeakerDeck/2019)

Project image

About Rakuten Travel's Frontend (React Meetup)

Presented at a React-related meetup (SpeakerDeck/2019)

Project image

Microservice Meetup Vol.6

Presented on microservices at the Microservice meetup (SpeakerDeck/2018)

Tokyo University of Science - Lecture

Gave a lecture titled 'Career Development for Engineers in a Global Environment' (2017)

Project image

Tokyo University of Science - Contribution (Science Forum)

Contributed an article titled 'Turning What You Love into a Job' to the university journal (2017)

Project image

Rakuten Travel and Spring (Spring Day 2016)

Presented on the use of Spring at Rakuten Travel at Spring Day 2016 (SlideShare/2016)

Using Spring Rest Docs

Presented on API Testing documentation at JSUG (Japan Spring User Group) (SlideShare/2015)

Project image

KOIKI

Founded engineering team for hackathon(2013-2017)