Takashi SAKAGUCHI

• 坂口孝志 (さかぐちたかし)
• @hamajyotan
• freelance software engineer living and working in Tottori City, a coastal area in western Japan known for its beautiful sand dunes.

Profile

Freelance software engineer

• STORES
  • 2021/01 - now
  • Ruby on Rails
• freee Sign (-> freee)
  • 2021/04 - 2023/12, 2024/01 - 2024/06
  • Ruby on Rails
• Sight Visit
  • 2020/10 - 2020/12
  • Ruby on Rails
• Vecnos
  • 2019/11 - 2021/06
  • React Native
• CrowdWorks
  • 2012/07 - 2020/09
  • Ruby on Rails
• Independent software company (undisclosed)
  • 1999/04 - 2013/02
  • Ruby, Ruby on Rails, Java, Scala, PHP, C++, C#, VB.net, etc.

Company

• Office UMMM LLC

Licenses

• Scrum Alliance Certified ScrumMaster
  
• Ruby Association Certified Ruby Programmer Gold version 2.1

Skills

Ruby on Rails <3

Scrum, Agile, XP, RSpec, minitest, Capybara, etc.

Products

• active_record_compose
  • Smart way to update multiple models simultaneously in Rails
  • Rails で複数のモデルを同時に更新するスマートな方法

Writing

CrowdWorks Engineer Blog

• クラウドテックのテーブル構造を改善していった話

Others

• zenn.dev
• Qiita
• DEV Community

Contact

• GitHub
• twitter
• Bluesky
• facebook
• Business card (Eight)