ymotongpoo | Yoshi Yamaguchi

Hi, I'm ymotongpoo

Hi. I'm Yoshi Yamaguchi and this is my website. I'm a Developer Advocate @Google based in Tokyo.


  • account_box Yoshifumi Yamaguchi
  • email ymotongpoo [at] gmail.com
  • business Developer Advocate @Google
  • face ymotongpoo




  • 2014.07.04発売
  • A5版 624ページ
  • オーム社
  • 2012.06発売
  • ePub, mobi
  • オライリー・ジャパン



Developer Advocate (Partner Engineering) at Google (March 2014 - current)


Developer Advocate (YouTube) at Google (October 2013 - March 2014)

Was in charge of YouTube API. (WIP)

Technical Account Manager at Google (April 2011 - October 2013)

Responsible for increasing partners' revenue with analysis of data warehouse, and supporting YouTube channel and Content Management System usage with delivering samples. Especially, I have strength on prototyping and deliverying mock ups using YouTube API and Python, and live streaming operations.

Staff Consultant at Oracle (April 2008 - April 2011)

Worked as system consultant, especially focused on application integration using SOA related middleware and framework. Responsible for all tech stack required for running SOA and ERP systems, such as hardware selection, rack mounting, OS setting, virtualization, designing and scripting BPEL, XSL, XSD, analyzing logs and so on.

Chief Technology Officer at Aquard (April 2006 - June 2007)

Managed 3 system implementation projects and was in charge of adminstration of whole infrastrutural settings for those.


  • Programming Language: Go, Python, Java, OCaml, JavaScript (ES2015), TypeScript, Erlang, C++
  • Operating System: Linux (Debian, Ubuntu, RHEL), UNIX/BSD (Solaris 10, FreeBSD 8.0), Mac OS X (10.4+), Windows 10
  • Human Lanaguage: Japanese (native), English (business level)


The University of Tokyo, MA, Mechano-Infomatics (April 2006 - March 2008)

Researched 3D character motion craetion using inverse kinematics and cluster tree model with directional graph. Implemented server and client for the system with cluster server.

The University of Tokyo, BE, Mechano-Infomatics (April 2002 - March 2006)

Researched on creating human muscloskeletal model. With measuring large amount of 3D motion capture data and calculating musclo-tendon forces of lower extremity.