Hello!!
I'm symdon.

Hi, I'm symdon. A programmer, work as freelance web developer in japan. I like Free Software, GNU Emacs fun, and learned a lot from those.

OSS Activities

I support free and open-source software and contribute to the community by developing software and submitting bug fixes. Here are some well-known software contributions I've made.

Books

I primarily write, translate, and supervise technical books related to programming. Here are some books I've worked on.

Title Publisher Year Role
Pythonではじめるオープンエンドな進化的アルゴリズム O'Reilly Japan 2023 Co-author
マイクロフロントエンド O'Reilly Japan 2022 Translator
SQLクックブック 第2版 O'Reilly Japan 2022 Technical Supervisor
Head First はじめてのプログラミング O'Reilly Japan 2019 Technical Supervisor
はじめてのPerl 第7版 O'Reilly Japan 2018 Co-translator
Head First Python O'Reilly Japan 2018 Technical Supervisor
PythonとJavaScriptではじめるデータビジュアライゼーション O'Reilly Japan 2017 Technical Supervisor
Pythonではじめるデータラングリング O'Reilly Japan 2017 Technical Supervisor
Pythonエンジニアファーストブック Gijutsu-Hyronsha 2017 Co-author
PythonによるWeb Scraping O'Reilly Japan 2016 Technical Supervisor
Pythonエンジニア養成読本 Gijutsu-Hyronsha 2015 Co-author

Hackathon Awards

Here are the awards I received in hackathon events. I should note that I have participated in more than five times as many hackathons as listed here without receiving awards.

Event Name Year Award Received
International Space Apps Challenge 2017 Tokyo 2017 Excellence Award
International Space Apps Challenge 2015 Tokyo 2015 IBM Award and others
Battle Hack 2015 Heroku Award
IBM Bluemix × Watson Mashup Hackathon 2015 IBM Award and others
HAPPY OUTSIDE BEAMS HACK 2015 Microsoft Award, LIG Award

Events

Here are some appearances at major events.

Event Year Description
Softlayer Bluemix Summit 2015 Talk Session
Pycon JP 2017 2017 Talk Session
Mastodon Developers Kaig #0 2017 Lightning Talk

Hands-On Workshops

Here are some hands-on workshops I've held. In these workshops, lecturers or tutors provide materials and themes to participants and teach them.

Workshop Year Role
Python Beginner's Hands-On with Pepper 2017 Lecturer, Material Creation, Preparation
Python Beginner's Hands-On #2 2016 Lecturer, Material Creation, Preparation
Python Beginner's Hands-On #1 2016 Lecturer, Material Creation, Preparation
Pycon JP 2016 Tutorial Session 2016 Lecturer, Material Creation, Preparation
Django Girls Tokyo #1 2015 Tutor, Material Preparation, Back-end

Reading Groups

Here are the reading groups where I gave presentations, explaining book content and answering questions.

Study Group Year Role
"Pythonエンジニア養成読本" Reading Group #07 2016 Presenter
"Pythonエンジニア養成読本" Reading Group #02 2015 Presenter

Study Group(Mokumoku-kai)

Here are the mokumoku-kai (study groups) I've hosted. In these events, participants gather in one place to study independently, without lecturers or tutors.

Study Group Year Role
Fuwafuwa Python Study Group 2017 Host
Tsuppari Ōzumō Mokumoku-kai 2017 Organized but not held; would like to someday

Resume

2017 - now: Incorporated

To further expand the scale of my business, I incorporated as a company, continuing my work in software development. I was involved in the following projects.

  • Development of FinTech-related web services.
  • Development of chatbot-related software.
  • Development of CMS for specific industries.
  • Writing, translating, and supervising technical books.

2013 - 2016: Transitioned to a Sole Proprietor

In order to expand my scope of activities, I transitioned from a company employee to a sole proprietor (freelancer), continuing my work in software development. I was involved in the following projects.

  • Development of a ticket sales website.
  • Development of a push notification infrastructure for a news smartphone app.
  • Development of a job site for new graduates.
  • Writing and supervision of technical books.

2006 - 2013: Joined a System Development Company as a Software Developer

I joined a company that dispatched engineers as a full-time employee, engaging in software development. I was involved in the following projects:

  • Development and verification of CAE (Crash Vibration Analysis) related software.
  • Development and verification of network drivers.

Due to the Lehman Shock economic downturn, I lost my job and subsequently moved to another company in the same industry, continuing to work in software development. I worked on the following projects:

  • Development and verification of mass production systems for supercomputers.
  • Quality assurance at SMT device development sites.

2006: After University Graduation, Started as a Route Salesperson

After graduating from university, Joined a food wholesale company and worked as a route salesperson, driving a 2-ton truck. Due to a minor accident, I developed a fear of driving and left the job after six months.

Other Resource

Do you want to contact me?

Glad you think so. Please send a direct message to my X account.

https://x.com/TakesxiSximada