Yutaka Ichibangase
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolYutaka Ichibangase is a seasoned full-stack software engineer with 16 years of professional experience designing and scaling web systems, currently building Kanzashi, a global distribution system for the Japanese hair salon industry. He blends product-minded engineering with business collaboration—driving integrations with Rakuten BEAUTY and major POS providers that helped achieve 10x customer growth while using constraint logic programming to smooth batch loads and control server costs. Previously a CTO for startups, he shipped Rails- and mobile-based marketing and workflow platforms that gained enterprise traction and an acquisition. Trained in AI at Kyushu Institute of Technology and coding since age 11, he combines deep practical web expertise with an unusual knack for applying formal techniques to real-world operational problems.
16 years of coding experience
18 years of employment as a software developer
CS, Artificial Intelligence, CS, Artificial Intelligence at 九州工業大学
Chinese, Japanese
Github Skills (55)
assertion10
testing10
logic-programming10
interpreter10
go10
mocking10
golang10
scripting-engine10
prolog10
segmentation9
morphological-analysis9
tokenizer9
testify9
hypermedia9
code-generator8
Programming languages (4)
Github contributions (5)
ichiban/ichiban.github.io
Mar 2020 - Jan 2026
Contributions:28 pushes, 1 branch in 5 years 10 months
ichiban/dotemacs
Jul 2016 - Jan 2025
Contributions:5 pushes, 1 branch in 8 years 7 months
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