About me

Hi. I'm Takuma Watanabe (渡邊拓麻), a software engineer at a telecom company, living in Tokyo, Japan.

Affiliations

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

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.

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, ...)

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

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)