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SMART EDUCATION, Ltd. CTO, #ruby #programmer #tokyo #cto #startup
Spreading Knowledge
AWS/k8s/Go/Rails/emacs
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漫画とオープンソースを愛するプログラマ In English, @koshianx will tweet.
Go/perl hacker; author of peco; works @ Mercari; ex-mastermind of builderscon; Proud father of three boys;
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