Kotaro Hirayama
General Manager at LINEヤフー株式会社
Fukuoka, Japan
Summary
👤
Senior🎓
Top SchoolKotaro Hirayama is an experienced engineering leader with 11 years driving front-end product development and organizational growth across LINE and its subsidiaries, currently serving as General Manager of Product Development overseeing 100+ engineers. He blends hands-on frontend expertise (React, TypeScript, modern build/test tooling) with large-scale people and product leadership, having led multinational teams and cross-company engineering directions since the LINE–Yahoo merger. Based in Fukuoka, he has a proven track record of hiring, stabilizing complex UI products, and building team processes that scale from startup-like squads to division-level organizations. Comfortable working in English and managing distributed teams, he is open to roles in Tokyo, Fukuoka, the Netherlands, and the U.S. (note: no U.S. visa). His background in mechanical engineering gives him a systems-oriented approach to product and team design, and he’s known for turning product challenges into measurable business impact.
11 years of coding experience
10 years of employment as a software developer
Master’s Degree, Mechanical Engineering, Master’s Degree, Mechanical Engineering at Kyushu Institute of Technology
English, Japanese
Github Skills (44)
child-process10
trigger10
event-emitter10
emitter10
javascript9
redux9
animate9
chalk8
documentation8
ansi8
easing-functions8
strict8
webpack8
loose8
easing8
Programming languages (4)
Github contributions (5)
khirayama/circuit
Dec 2016 - Jan 2017
Contributions:32 commits, 1 PR, 40 pushes in 27 days
khirayama/storyteller
Apr 2018 - Apr 2018
Contributions:38 commits, 1 PR, 21 pushes in 6 days
reactjavascriptdeclarativevisualizingvisualization
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