Dai Okabayashi
Software Engineer at Merpay, Inc
Japan
Summary
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SeniorDai Okabayashi is a seasoned software engineer with 16 years of experience building products across Japan and the US, currently working at Merpay after a long tenure at Mercari. He has deep product-engineering experience from Mercari US and Mercari, plus earlier platform work at DeNA, giving him a strong background in consumer-facing payments and marketplace systems. Based in Palo Alto but rooted in Japan, he blends international engineering practices with local market insight. Colleagues rely on him for pragmatic, scalable solutions and steady delivery across distributed teams. Though not a prolific GitHub public contributor, his career track record reflects sustained impact on large-scale consumer services.
16 years of coding experience
10 years of employment as a software developer
Github Skills (82)
perl10
plack10
webserver10
tauri10
html10
clock10
recursive10
bootstrap10
css10
pa-api10
timer10
chord-diagram9
javascript9
markdown9
go-testing9
Programming languages (7)
Github contributions (5)
bayashi/WebService-BitFlyer
Jan 2018 - Jan 2023
bitFlyer Perl libraries https://bitflyer.jp/
Contributions:3 PRs, 5 pushes, 3 branches in 5 years
bitflyerperl
bayashi/Duadua
Dec 2019 - Feb 2022
Detect User-Agent, do up again!
Contributions:394 commits, 270 PRs, 274 pushes in 2 years 2 months
user-agent
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