Kuniaki Igarashi
CTO at spice life, Inc. （株式会社spice life）
Chiyoda, Japan
Summary
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Rockstar🎓
Top SchoolKuniaki Igarashi is a seasoned technology leader and CTO based in Chiyoda, Japan, with 15 years of hands-on software engineering experience spanning startups and established firms. He built his technical foundation in physics and electrical engineering (Master’s from Hokkaido University) and translated that rigor into a long career developing Ruby on Rails applications and leading engineering teams. His experience includes roles at Sony Digital Network Applications and as a part-time instructor teaching Ruby and Rails at Hitotsubashi University, demonstrating both production and mentoring strengths. As CTO of spice life, Inc., he combines deep backend expertise with product-minded engineering leadership to ship practical, reliable systems. Notably, his trajectory from electrical engineering through academic physics to web engineering signals a rare blend of analytical depth and pragmatic software craftsmanship.
15 years of coding experience
11 years of employment as a software developer
準学士, 電気工学, 準学士, 電気工学 at 群馬工業高等専門学校修士, 物理学, 修士, 物理学 at 北海道大学
Japanese, Chinese
Stackoverflow
11reputation
0reached
1answer
0questions
Github Skills (65)
programming-language10
mvc10
ruby10
heroku10
activerecord10
rake10
ruby-on-rails10
html10
sketchup10
rust10
translation10
rails10
lang10
jit10
jekyll10
Programming languages (8)
Github contributions (5)
igaiga/rails_textbook_sample
Dec 2015 - Jan 2022
Samples for https://github.com/igaiga/rails_textbook
Contributions:76 commits, 8 PRs, 42 pushes in 6 years 1 month
ruby-on-railsrailstextbookruby
igaiga/rails_rspec_sample_rails502
Apr 2017 - Oct 2020
Contributions:175 PRs, 1 push, 178 branches in 3 years 6 months
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