Yasuo Kasajima
共同経営者 at 合同会社ATI
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolYasuo Kasajima is a Tokyo-based technology leader and serial founder with 14 years of experience building new businesses as a hands-on CTO and engineer. Trained in cognitive science and complex dynamics at Kyoto University, he blends deep mathematical thinking with practical skills in Python (Django), machine learning, React/React Native and GCP to shepherd over a thousand business ideas to technical validation and several into production. He co-founded the engineer collective CAMPHOR- and runs multiple companies while serving as Lead Engineer at Recruit, where he routinely takes CTO-level roles for early-stage projects. Beyond product work he advises ML engagements, is launching a hedge fund, and runs a niche hobbyist app for social deduction games—an example of his habit of turning personal passions into polished software.
14 years of coding experience
2 years of employment as a software developer
Master's degree, Math, Master's degree, Math at Kyoto University
Japanese, English
Github Skills (59)
mysql9
postgresql9
javascript9
spark9
visualization9
dashboard9
haptic-feedback9
athena9
python9
databricks9
dynamodb9
shell9
database8
react-native-maps8
davinci8
Programming languages (6)
Github contributions (5)
recruit-mtl/erajp
Aug 2015 - Sep 2019
Convert datetime to Japanese era
Contributions:18 commits, 2 PRs, 14 pushes in 4 years 2 months
datetimejapanesejapanese-eraera
kasajei/VKEffect
Jun 2013 - Sep 2013
Contributions:7 commits in 3 months
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