Kentaro Matsumae
Software Engineer at Mercari, Inc.
Saitama Prefecture, Japan
Summary
👤
Senior🎓
Top SchoolKentaro Matsumae is a seasoned software engineer with 14 years building mobile and web products across major Japanese tech companies, currently focused on iOS development for Merpay at Mercari. He brings deep practical expertise in iOS, Perl, PHP, Ruby on Rails and mobile-first architectures, having led iOS teams and shipped multiple consumer apps at Dwango and DeNA. His background includes full-stack web work and developer tooling from earlier roles at Hitachi Software Engineering, giving him a rare blend of app-level UX sensitivity and backend engineering discipline. Based in Saitama, he combines product-facing mobile craftsmanship with strong systems thinking, often bridging legacy web stacks and modern mobile platforms. A practical polyglot developer, he’s comfortable moving between rapid app feature delivery and longer-term platform improvements.
14 years of coding experience
15 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at 近畿大学
Stackoverflow
106reputation
7kreached
1answer
2questions
Github Skills (68)
classifier10
gmail10
model-conversion10
tvos10
coremltools9
tesla9
discord9
ios9
objective-c9
keras9
cocoapods9
watchos9
macos9
swift8
convolutional-neural-networks8
Programming languages (8)
Github contributions (5)
kenmaz/KMZDrawView
Jun 2012 - Feb 2016
Simple drawing view for iOS
Contributions:16 commits, 3 PRs, 1 push in 3 years 8 months
ios
kenmaz/animemaker-help
Jan 2018 - Mar 2024
Contributions:50 pushes, 1 branch in 6 years 3 months
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