Takumi Hosokawa
Software Engineer at World
Shinjuku, Japan
Summary
👤
Senior🎓
Top SchoolTakumi Hosokawa is a software engineer and blockchain specialist with a decade of experience building Ethereum smart contracts, cross-chain NFT bridges, and full-stack decentralized applications using Solidity, TypeScript, React/Next.js, and Node.js. He has held technical leadership roles including CTO and blockchain engineer, shipping products like a no-code NFT minting tool and a decentralized message transfer protocol while managing offshore teams. Takumi pairs hands-on engineering with strategic product work—driving market localization in Japan, launching fintech initiatives at Mizuho’s Blue Lab, and applying generative AI to business decision-making. A four-time Ethereum hackathon prize winner, he combines rapid prototyping skills with practical deployment and grant-seeking experience across multiple chains. Based in Shinjuku, Japan, he brings a pragmatic blend of developer craftsmanship and business-first thinking to nascent blockchain ecosystems.
10 years of coding experience
3 years of employment as a software developer
Bachelor of Arts - BA, Bachelor of Arts - BA at Aoyama Gakuin University青山学院高等部
Chinese, Japanese, English, French
Github Skills (34)
webgl10
threejs10
javascript10
canvas2d10
scene-graph10
electron10
image10
canvas10
rendering10
windows10
css10
pixijs10
glsl10
chrome10
vue10
Programming languages (3)
Github contributions (5)
takumus/Worms
Jan 2017 - Apr 2019
Contributions:221 pushes, 1 branch, 2 comments in 2 years 3 months
takumus/KaitenDisplay
Jun 2016 - Jan 2017
Contributions:158 pushes, 1 branch in 7 months
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