Accounts

• Blog: atton.blog
• GitHub: atton
• Twitter: @_atton

Current Job

• Freelance Engineer
  • Main: Web backend
  • Sub: Software, Infrastructure

Pricing

• ベース: 900,000~
  • Web backend: 主に Ruby on Rails (新規作成, 機能追加, テスト, リファクタリング, 速度改善, 等)
  • Software: Serverless Application, 定期バッチ, PoC検証, ミドルウェア選定, 等必要に応じて
  • Infrastructure: 環境構築, 構成変更, メンテナンス, 保守, CI/CD, 等

• 新規事業の立ち上げや技術顧問: 応相談

• お仕事の条件に関しては
  • 準委任契約
  • 完全リモートワーク(新型コロナ対策や機材等の関係)
• でお願いします。
• また、作業の価格について、フリーランスは
  • 各種福利厚生・賞与・退職金・その他手当が無い
  • 健康保険料や国民年金が完全自己負担
• という事を考慮した上で値段交渉して頂けると幸いです。
• 値段交渉について
  • 評価期間(例えばお試し1ヶ月)を設けたのちに契約継続/報酬交渉等も可能。
  • 初月の報酬は前払い(数割前払いでも可能)希望。
• その他の補足
  • 契約期間の単位調整可(1ヶ月単位、3ヶ月単位等)。
  • 週5以外の勤務体系や、休日勤務等の変則勤務可。
  • 早寝早起き派。基本的に深夜作業不可。
  • Freee利用中。見積書、納品書、請求書、領収書、発注書等作成可能。

Job History

• Part-time jobs
  • Full remote work(Backend and Frontend)
  • Project using Rails 4
  • 2014/07-2015/03, 2016/03-2016/06
  • time of part-time job over 370 hours
• Master’s graduation(2017/03)
• DWANGO (2017/04~2017/07)
• Freelance Engineer (2017/08~)
  • Project using Rails 5.1
    • Full remote work(Full-Stack)
    • Main Development Period: (2017/08~2017/09)
    • About 3k lines(maximum performance: 3k lines/2weeks) with rspec.
    • I implemented all functions.
    • Maintain Period: (2017/10~2017/11)
  • Auto-Drive Project(2018/02~2018/06)
    • Details are protected by NDA, so listed public information.
    • Part of TOYOTA MOTOR CORPORATION Auto-Drive Project with NVIDIA.
  • Work with Carat Inc. (2019/08~2020/05)
    • Full remote work(Backend and Infrastructure)
    • Rails + AWS
  • Work with Pixie Dust Technologies, Inc. (2020/10~)
    • Full remote work(Infrastructure and more)
    • AWS

Programming Experiences and Skills

• Ruby(2012~)
  • A most writable language.
  • Develop web application using Rails 4 as part time job(2 year).
  • Maintain private cloud system for department of university of ryukyus(ie-ryukyu).
    • Named “Akatsuki”
    • Details: bottom of this page
  • Original gem “noir”
    • Utilitiy commands for myself.
• Haskell, Agda, Java, C, C++, Perl, Python, Shell Script, JavaScript, Scala, VHDL, scheme, golang, PHP, Elm, Promela …
  • Tutorial level or tutorial + alpha level.

Infrastructure Experiences

• Manage On-premises servers in University(2012~2016)
  • CentOS7, VMWare, LDAP, BIND9, RADIUS, DHCP, libvirt
• Replace On-premises servers in University(2016)
  • using our system Akatsuki
  • CentOS7, HA Cluster, GFS2, LDAP, BIND9, RADIUS, DHCP, libvirt, Docker
• Maintain On-premises servers in University(2016~2017)

Infrastructure Skills

• L1,L2,L3,knowledge: cisco(CCENT Level) 2008~
• Cloud services:
  • Amazon Web Services(AWS)
    • Services: ACM, ALB, CloudFormation, CloudWatch, EC2, ECR, ECS, ELB, Fargate, IoT Core, KMS, Lambda, RDS, Route53, S3, SES, …
    • Tools: CDK, SAM, serverless
  • GCP(Compute Engine, Google Kubernetes Engine)
  • heroku
  • sakura cloud
• Virtualized environments:
  • Container: Docker, Docker Compose, Docker Registry
  • VirtualMachine: KVM, VirutalBox, VMWare
• Applications: LDAP, BIND9, RADIUS, DHCP, libvirt
  • tutorial level + alpha

Local Development Environment

• macOS + Homebrew + Neovim (dot files)
• Docker Desktop for Mac (Docker Hub Account)
• Git
• tmux
  • using border-ascii patched version.
  • version list: 3.1c, 3.1b, 3.0a, 2.9a, 2.8, 2.7, 2.6, 2.5, 2.4, 2.3

Licenses

• 普通自動車免許(2012)
• Cisco CCENT(2009)
• IPA 応用情報技術者(2009)
• IPA 基本情報技術者(2009)
• IPA 初級システムアドミニストレータ(2008)

Events and Slides

• 2017/07/24 : Laravel 紹介 スライド
• 2016/05/16 : akatsuki読み スライド
• 2016/09/30 : 新学科システム説明会(ユーザコンソール部分) スライド
• 2015/04/25 : 新入生歓迎LT大会 2015 スライド(pdf)
• 2015/02/22 : ギークハウス沖縄解散パーティLT スライド
• 2014/08/23 : Vim勉強会2014 スライド
• 2014/05/24 : オープンソースカンファレンス 2014 Okinawa スライド
• 2014/04/26 : 新入生歓迎LT祭り 2014 スライド(pdf)
• 2014/03/26 : Haskell 勉強会 資料
• 2013/08/10 : xhago4 スライド
• 2013/04/29 : 新入生歓迎LT祭り 2013 スライド
• 2012/08/13 : Vim勉強会 スライド

OSS Contributions in GitHub

• Paperist/docker-alpine-texlive-ja
  • Using wget to reduce build time #18 (merged)
• caskroom/homebrew-cask
  • Add Karbowanec.app 1.1.9 #41463 (not merged)
• tmux/tmux
  • Fix East Asian Ambiguous (Unity half-width) #1140 (not merged)
• fog/fog-libvirt
  • Volume#clone_volume supports different pools #46
• shairontoledo/rghost
  • Raise RuntimeException when try convert from unspported class #67 (merged)
• dwango/scala_text
  • 型パラメタの例の修正 #275 (merged)
• vimperator/vimperator-labs
  • Support <C-[>, <C-]>, <C-^>, <C-\\>, <C-_>, <C--> in Mac #53 (merged)
• marzocchi/zsh-notify
  • Support background notify in tmux #5 (self close)
• thinca/vim-ref
  • webdict ソースに start_linenumber オプションを追加してみました。 #15 (not merged but author adds features)

Local Project Repositories

• Akatsuki
  • Open-Sourced version.
  • private cloud system of department of university of ryukyus.
  • Rails 4, about 3k lines with rspec.
  • Main development period: 3 month.
  • Maintain period: 18 month.
  • Has several component(KVM, LDAP, BIND9, DHCP, FreeRADIUS)
  • Akatsuki works 4 on-premise servers constructed by GFS2 on university.
  • Akatsuki controls 1000+IP, 400+VM for 500+ users.
  • Related blog posts here and here.
• heroes_and_daemons
  • Battle Game uses Unity 4 for exercise in University

Forked or Original Repositories

• a.vim
• agda-proofs
• delta_monad
• dockerfiles
• fog-libvirt
• git-scripts
• hdd-keeper
• homebrew-customs
• krb-script
• mac-scripts
• noir
• similar_monad
• slack-files-remover
• slideshow-cr
• slideshow-s6cr
• tmux
• utf8proc
• xv6
• zsh-notify

Public Docker Images

• atton/alpine-texlive-ja
• atton/latex-make
• atton/webpage-title

Hobby

• Reading books
  • favorite authors: 伊藤計劃, 西尾維新, 入間人間, 野崎まど, 三秋縋 …
• Play game
  • Play Station 4
  • Fate/Grand Order(UserName: もみじ, UserID: 565,422,721)
• Tea