Yoshinori Kosaka
CTO at GenerativeX
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolYoshinori Kosaka is a CTO and seasoned software engineer with eight years of experience building production systems across startups and a major tech company. He currently leads GenerativeX’s efforts to apply Large Language Models to enterprise transformation, combining product-focused leadership with deep hands-on expertise. His background spans full-stack development, backend systems in Golang/Node/Ruby, modern frontend stacks (React/TypeScript/Relay), and cloud-native deployments on GCP, honed while running restaurant tech at Welyco and leading enterprise products at ByteDance. He has a track record of shipping experimental prototypes to production—ranging from mobile ordering and AI food-quality cameras to high-traffic Rails sites—and brings a rare mix of customer-facing operational experience and research-informed tooling from his Tokyo University MEng. Based in Chiyoda, Japan, he blends startup agility with enterprise-scale discipline to turn ML and web innovations into measurable business outcomes.
8 years of coding experience
8 years of employment as a software developer
Master of Engineering - MEng, Technology Management and Innovation, Master of Engineering - MEng, Technology Management and Innovation at 東京大学
Github Skills (71)
windows10
hybrid10
javascript10
browser10
compiler10
static-site-generator10
typescript10
android10
flutter10
nextjs10
react10
react-framework9
stripe-api9
dart9
storybook9
Programming languages (6)
Github contributions (5)
wawoon/blog
Jun 2020 - Apr 2022
blog
Contributions:99 commits, 4 PRs, 75 pushes in 1 year 10 months
Welyco/loadenv
Jul 2018 - Jan 2019
Go CLI tool to export environment variables from EnvKey
Contributions:2 PRs, 6 pushes, 3 branches in 6 months
golangenvironment-variablesexportgo-clicli-tool
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