Masayuki Kosaka
Chief Technology Officer at TERASS
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolMasayuki Kosaka is a technology leader and CTO with 11 years of experience building SaaS-first products from Tokyo’s Chiyoda district. At TERASS since 2018 he has led engineering efforts across video encoding and file compression to deliver first-to-market cloud experiences. Trained in human sciences and NLP at Waseda University, he blends user-focused research sensibilities with practical systems engineering. He’s comfortable spanning low-level media processing and higher-level service design, turning complex algorithms into reliable production features. Colleagues describe him as a pragmatic innovator who prioritizes deployable solutions over theoretical perfection.
11 years of coding experience
Human science, NLP, Human science, NLP at 早稲田大学
Stackoverflow
36reputation
484reached
1answer
0questions
Github Skills (32)
python10
stub10
mypy10
type-annotations10
type-checking10
stubs9
static-typing9
utilities9
static-analysis9
typescript9
linter9
type-system9
lodash9
type-check8
typechecker7
Programming languages (4)
Github contributions (5)
terass-inc/type-challenges
Feb 2023 - May 2023
Collection of TypeScript type challenges with online judge
Contributions:13 PRs, 22 pushes, 7 branches in 3 months
k-saka/debugging-inspector
Dec 2015 - Feb 2016
Contributions:2 commits, 2 pushes, 1 branch in 2 months
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