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.
15 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 (48)
visualization9
python9
visualize9
dynamodb9
shell9
athena8
redash8
aws8
databricks8
analytics8
bigquery8
spark8
dashboard8
javascript8
datetime8
Programming languages (5)
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
datetime
kasajei/VKEffect
Jun 2013 - Sep 2013
Contributions:7 commits in 3 months
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