Freelance Machine Learning Engineer for Uzabase, Inc.
Apr 2018 - Aug 2021 Tokyo, Japan
- News articles text classification
- Named entity recognition to automate article tagging
- Automatic assignment of tags and metadata to entities
Founder and CTO of Claude Tech, Inc.
Aug 2014 - Aug 2018 Tokyo, Japan
- Make our product Buildy profitable after ~2 years
- Project management in a team of 4~5 persons
- Backend development, mainly in Elixir and Ruby
- Deploy and release management, build automation
Freelance Software Engineer for Megagon Labs
Mar 2017 - Mar 2018 Mountain View, CA, USA
- Design and development in Python of Jo, a smart journaling app
- Development of chatbot natural language understanding module
Freelance Software Engineer for Recruit Co., Ltd.
Aug 2013 - Nov 2017 Tokyo, Japan
Software Engineer at Institute of Information Technology, Inc.
Jan 2013 - Aug 2014 Tokyo, Japan
- Joint research with Institute of Information Security on Linux security. Kernel patches and modules development
- Image recognition algorithms development for billiard game analysis software with C# and OpenCV
Programming teacher at Life is Tech, Inc.
Jul 2013 - Aug 2014 Tokyo, Japan
- Computer science and programming (mainly Android development) tutoring for junior high school and high school students
Software Engineer at Fringe 81 inc.
Oct 2013 - Feb 2014 Tokyo, Japan
- Design of a log analysis system to switch from batch processing to realtime analysis
- Development in Java of the log analysis system
Software Engineer internship at GREE, Inc.
Oct 2012 - Dec 2012 Tokyo, Japan
- Development of flare, a key/value store written in C++
- Development of a blob storage written in Haskell
CTO at Aetel, inc.
Apr 2011 - Aug 2012 Tokyo, Japan
- Project management in a small team