About me

Hi. I'm Takuma Watanabe (渡邊 拓麻), a software engineer at a telecom company, living in Tokyo, Japan.
  • Mail: takumaw {at} sfo.kuramae.ne.jp
  • PGP: 0CC4 9C7E F2A8 2A0B A742 4758 A6B2 2645 7306 5648 (see here.)


Affiliations

  • 2020/06 - present
    • Software engineer at NTT Labs (Software Innovation Center)
      • Provides support service on RHEL and softwares for cloud infrastructure/enterprise system.
  • 2015/04 - 2020/05
    • Software engineer at NTT Group
      • Provides professional training service on Java software development based on waterfall / scrum (2018/04 - 2020/05)
      • A scrum master at a Java software development team. (Several times in 2018/04 - 2020/05)
      • A tech lead at a Java software development team. (Several times in 2018/04 - 2020/05)
      • Provides professional support and training service on Spring Framework (2015/04 - 2018/03)
  • 2014/07 - 2015/03
    • Research assistant at Tokyo Institute of Technology
      • Authored a security guideline of medical-related ICT system for medical doctors and co-medical staffs.
  • 2014/01 - 2014/01
    • Research assistant at Tokyo Institute of Technology
      • Assisted engineering a Linux-based system for SDN-related experiments.
  • 2013/07 - 2013/08
    • Research internship at NTT Communication Science Laboratories
      • Assisted researching on automated human-computer communication (chatbot-like) system.
  • 2013/04 - 2015/03
    • M.Eng. student at Tokyo Institute of Technology
      • At Dept. of Communications and Computer Engineering, Graduate School of Engineering
      • Associated with Iida lab.
  • 2009/04 - 2013/03
    • B.Eng. student at The University of Electro-communications
      • At Dept. of Computer Science, Faculty of Electro-communications.
      • Associated with Obana lab.
  • 2006/04 - 2009/03
    • Student at Sugamo High School

Publications


Skills and experiences

Engineering experiences

  • Professional support and training service on Java-based web system development
    • Hiring:
      • Spring, MyBatis, Apache Commons and many other libraries along with Macchinetta/TERASOLUNA.
  • UNIX-based system and network management (Scale of a team to an University Division grade)
    • Hiring:
      • Linuxes (incl. RHEL, CentOS, Scientific Linux, Ubuntu, Debian, ...)
      • BSDs (incl. FreeBSD and OpenBSD)
      • NFS, SAMBA, OpenLDAP, ...
      • Open vSwitch, Quagga, ...
      • Docker
      • FreeBSD Jail
      • LVM, ZFS
      • ...and many other essential softwares which forms the foundation of modern UNIX ecosystem.

Research experiences

  • Natual language processing w/ Machine learning
    • Hiring:
      • Clustering, Bag-of-words, TF-IDF and other various NLP techniques.
      • SVM, Random Forest and other supervised machine learning techniques.
    • Using:
      • Python, IPython Notebook (Jupyter), scikit-learn, scipy, numpy, MeCab, etc.
  • Software-Defined Networking (SDN)
    • Hiring:
      • OpenFlow and other major networking technologies.
    • Using:
      • Python, IPython Notebook (Jupyter), Mininet, Open vSwitch, Ryu, Quagga w/ OSPFd, nmap, etc.
      • The Internet Topology Zoo
  • Content-Centric Networking (also known as Information Centric Networking, Named Data Networking, ...)
    • Using: NS-3, ndnSIM, etc.

Awards & Certifications

Awards

  • ACM-ICPC (International Collegiate Programming Contest) Honorable Mention at ACM-ICPC Asia Tokyo 2010 (2010/12)

Certifications

  • TOEIC 930 pt. (2016/01)
  • STEP Eiken Grade 2 (実用英語技能検定(英検) 2級) (2007/03)
  • ITEE SC (高度情報処理技術者試験 情報セキュリティスペシャリスト) (2016/06)
  • ITEE NW (高度情報処理技術者試験 ネットワークスペシャリスト) (2015/12)
  • ITEE AP (応用情報技術者試験) (2013/12)
  • ITEE FE (基本情報処理技術者試験) (2010/05)
  • Red Hat Certified Specialist in Linux Performance Tuning (2017/08)
  • RHCE (Red Hat Certified Engineer) (2016/07)
  • RHCSA (Red Hat Certified System Administrator) (2016/03)
  • Pivotal Certified Spring Professional (2016/11)
  • Certified ScrumMaster® (2018/11)
  • Certified LeSS Practitioner (2020/02)