developers

Creator of Ruby

Rubyist. I value eXtreme Programming.

Master of Engineering about communication system. Also a developer of web services. e.g. Terraform(AWS), Ansible, Ruby(include Rails), Node.js, React

I am a freelance developer

I like making thing that creates another thing.

Executive Officer & Head of Product Development at ONE CAREER Inc.

I'm programing Ruby, C#, JavaScript and PHP.

A wild (freelance) programmer. I can do cryptography/authentication/authorization a little.

Loves cats, beer and Mad Max : Fury Road.

Creator of PicoRuby and PRK Firmware. Maintainer of ruby/irb, ruby/reline, and mrubyc/mrubyc.

Full-time OSS developer. I'm a member of Ruby core team, RubyGems team and rbenv and ruby-build maintainer.