Hi there 👋
I'm Seito in Japan, a Web developer and a tech YouTuber!
I've worked in Japan and the Philippines.
I'm always looking for a challenging opportunity to work as a Web developer.
Index
- History
- Skills
- Private Projects
- Writings
- etc
- Period: Jun 2021 – Present
- Role: CEO and Web Developer
- Period: May 2016 – May 2021
- Role: President and VPoE
- Period: Sep 2012 – Apr 2016
- Role: Front-end Developer and Project Manager
- Period: Sep 2021 - Present
- Major: Master of Science in Decision Analysis
- Period: Dec 2020 ~ Present
- URL: https://www.youtube.com/channel/UC8IWoNfegB72Q2nT9GJy2zQ
- Role: Tech YouTuber
- Achievements:
- Achieved 100,000 subscribers about three years after its launch
- Period: May 2016 ~ May 2021
- URL: https://cody.inc/
- Role: President, VPoE
- Achievements:
- Built a new branch office alone in the Philippines as an entrepreneur and built the development team from scratch, reaching 90 members within 3.5 years
- Achieved a surplus every year and increased annual revenues from ¥10 million to ¥250 million within three years with the cross-functional team
- Category: Web Application for a company operation
- Period: Jun 2022 ~ Present
- URL: Private
- Role: Web developer
- Achievements:
- Replaced approximately 60% of operations previously performed by tech leads and CTOs with general employees.
- Used technology: TypeScript(Next.js), Jest, GraphQL, Vercel, Python(DRF), Docker, NGINX, AWS (EC2, IAM)
- Category: Web Application for managing membership and franchisees in Coworking business
- Period: Apr 2019 ~ Mar 2021
- URL: https://e-office.space
- Role: Project Manager
- Achievements:
- Served as a bridge between the Philippines and Japan and between the sales and development teams and led the agile development with a cross-functional team of about 15 people.
- Managed the project from release to stable operation while reducing development costs to 1/3 of the original price.
- Used technology: JavaScript(jQuery, Webpack), HTML, CSS, PHP(Laravel), Docker, AWS
- Category: Website for a photo studio company
- Period: May 2016 ~ Nov 2016
- URL: https://studio-home.jp
- Role: Frontend Engineer
- Achievements: Awarded in DFA
- Features: Implemented various animations on all pages using Canvas, SVG, CSS Animation, etc.
- Used technology: JavaScript(jQuery, Snap.svg, Canvas, gulp), HTML, CSS, PHP(WordPress)
- Management
- Human Recruitment
- Producing Co-working space
- Organizing events & developer's community
- Trainer for development
- Developing Web site & application software
- Technical direction
- JavaScript and TypeScript (React, Next.js, Node.js, jQuery)
- HTML and CSS
- Python (DRF)
- SQL(MySQL, PostgreSQL)
- AWS(EC2, Cognito, CLI)
- Docker
- Test tools (Jest, Storybook, Selenium)
- PHP, WordPress
- PHP (Laravel)
- GraphQL
- Vue.js
- R
- Flutter
- Firebase (Firestore, CLI)
- URL: Apple Store
- Overview: HTML Cards is a mobile education app for junior coding learners.
- Used technology: Flutter with Dart and SQLite
- Achievement: Totally over 10,000 downloads
- URL: Apple Store
- Overview: The Simplest Timer is a mobile app for students and athletes.
- Used technology: Flutter with Dart and Firebase(Firestore)
- Now writing...
- Will be pushed about the efficient way how to learn coding in 2024
- The Best Practice of CSS Architecture
- Published the book about the CSS architecture in 2015.