currently working as a front-end engineer at Six Apart KK. Before that I worked as senior manager in Quality Assurance division for 7 years.

My expertise is Javascript (Node/AngularJS/Backbone.js), HTML/CSS and all about MEAN stack.

love watir and watir-webdriver, and my recent interesting is using protractor

more details: http://www.linkedin.com/in/yutakayamaguchi