Kazuhisa Takei
CTO at VineCaves Ltd.
Kawasaki, Japan
Summary
👤
Senior🎓
Top SchoolKazuhisa Takei is a seasoned CTO and founder with 17+ years building large-scale network game services, Linux and macOS kernel/device drivers, and high-portability motion analysis systems. He combines hands-on engineering leadership at Rytr Inc. and Taichi Institute with a long freelance and open-source background, including kernel work at VA Linux and device driver contributions for Darwin. His expertise spans distributed systems, system-wide performance tuning, and sports biomechanics research—he has applied CS techniques to real-time football player analysis and tennis kinetic-chain consulting. Notably, he helped design the server side of Monster Strike’s initial release and continues to pursue research in distributed spatial indexing alongside practical product development. Based in Kawasaki, Japan, he blends low-level OS mastery with large-scale service architecture and a keen interest in applying computational methods to sports science.
17 years of coding experience
12 years of employment as a software developer
m, Computer Science, m, Computer Science at Japan Advanced Institute of Science and TechnologyB, Mathmatics, B, Mathmatics at Gakushuin University
English, Japanese, Spanish
Github Skills (61)
golang10
structures9
jsonl9
struct9
slice9
skiplist9
go9
database9
hash9
ttl9
parser8
csv8
lock-free8
bitset8
flatbuffers8
Programming languages (3)
Github contributions (5)
kazu/cmd
Jul 2020 - Mar 2025
Contributions:5 pushes, 2 branches in 4 years 9 months
kazu/buffer_list
Oct 2015 - Aug 2018
Contributions:82 commits, 13 PRs, 62 pushes in 2 years 10 months
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