Ryu Yokoji
Tokyo, Japan
Summary
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SeniorRyu Yokoji is a seasoned technology leader and co-founder serving as CTO at freee K.K., a leading Japanese cloud ERP provider, with 12+ years of experience shaping product-aligned tech strategy and platform architecture. He drives the company’s technical vision, culture, and platform services to empower small businesses through cloud-native solutions. Prior to freee he built embedded middleware at Sony for Cyber-shot, Handycam and Alpha products, giving him deep systems and C++/Linux expertise alongside web and backend experience from earlier roles. His background blends hands-on engineering across languages and stacks (Ruby, Python, C#, JavaScript) with long-term leadership in startup product scaling. Based in Chiyoda and holding M.Eng./B.Eng. in Computer Science from Keio University, he pairs academic grounding with pragmatic product-focused execution. Colleagues describe him as a strategic thinker who still dives into code when architecture decisions matter most.
12 years of coding experience
Github Skills (5)
api6
square6
ruby4
salesforce2
simple-salesforce1
Programming languages (1)
Github contributions (3)
C-FO/zaim
Jul 2013 - Aug 2013
Contributions:14 commits in 21 days
C-FO/square
Mar 2015 - Jul 2016
A Ruby interface to the Square API
Contributions:16 comments in 1 year 4 months
squareapiruby
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