Ryo Katsuma
Manager at Cookpad
Chiyoda, Japan
Summary
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RockstarRyo Katsuma is a seasoned back-end engineer and manager with 17 years’ experience building and scaling web services, currently leading teams at Cookpad in Chiyoda, Japan. He brings deep Ruby and Ruby on Rails expertise combined with hands-on service development and team-building skills, balancing technical delivery with people leadership. As an engineer at The Mosh Inc, he maintains an active practitioner’s mindset while steering product and platform priorities. Colleagues rely on him to turn ambiguous requirements into maintainable server-side architectures and to grow engineers into reliable contributors. He is notable for sustaining long-term impact at consumer-facing companies where iterative improvements and operational stability matter most.
17 years of coding experience
English
Stackoverflow
11reputation
902reached
0answers
1question
Github Skills (53)
itunes10
socket10
swift10
ios9
nextjs9
delicious9
api9
macos9
rails8
ruby8
run-script8
keynote7
linux7
homebrew7
podcast7
Programming languages (7)
Github contributions (5)
katsuma/keynote-client
Aug 2015 - Nov 2020
keynote-client provides a high level API (like ActiveRecord style) to control your Keynote
Contributions:3 releases, 45 commits, 34 PRs in 5 years 4 months
keynoteapirailshigh-levelruby
katsuma/dining.fm
Feb 2023 - Mar 2025
My family's podcast website
Contributions:200 PRs, 174 pushes, 190 branches in 2 years 2 months
nextjspodcast
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