Hello, I'm Juanito.

I'm a software engineer and Rubyist based in Tokyo. You can visit my now page to see what I am doing.

I love programming and hoping to be useful for other people (in any way). I love food (source of happiness), cooking (to relax), and traveling (new experiences). I spend spare time , (connect people to people) , enjoying attending and .

I was an Electronics engineer and . I grew up in Taiwan. I went to universities in Taipei, Taiwan and Leuven, Belgium, studied Electronics Engineering. I speak Mandarin, Taiwanese, and English. I am learning Japanese and Korean. I have learned Spanish, French, Dutch for short period of time before.


I am on the Editorial team maintaining by triaging issues, shipping news translations, and site deployments.

Previously at Shopify, Cookpad, and Jolly Good Code. Here is my for full professional working experiences.


I love getting email or messages on Telegram. Please send me emails but no spam. me [at] (this domain) [dot] com. You could also find me on or . I am not on Facebook, Instagram, and Linkedin.

Thank you for visiting here. I wish you a lovely day.