Work Experience

2001 to present SilverEgg Technology Co., Ltd. - Osaka, Japan

System Engineer and Software Developer.

• Server Administration:

  • Intranet support - installing and supporting Windows 2000 and Windows XP workstations
  • Windows 2000 Server installation and support
  • Buying hardware (computers, routers etc.)
  • Rack mounting
  • Internet services for the related companies - Web services (Apache), Mail services
    (Postfix and QMail), DNS services (BIND)
  • Samba file server (Debian GNU/Linux)
  • Debian/Ubuntu GNU/Linux installation, configuration and support
  • System virtualization - Xen (v2.0.x, v3.0.x and v3.1), VServer and OpenVZ
  • Database - MySQL 4.x and 5.x, SQLite 3
  • Apache, Lighttpd, LiteSpeed and NginX Web servers installation, configuration and support
  • Ruby and Ruby On Rails related software - RoR stack, Pound reverse proxy, Mongrel etc.

• Software Development - Ruby and Ruby On Rails

  • Internal portal-type application for customers
  • RSS feeds aggregation system with web and mobile access
  • Testing and Release management - Subversion, Mercurial and GIT repositories

2000 to 2001 Motorola-Japan Ltd. - Osaka, Japan

Software Developer.

• Perl/AWK program for parsing of big data files (10GB - 20GB) - Sun Solaris
• VBA application for visual presentation of the results from the UNIX program - Windows NT

1997 to 1999 EDA Ltd. - Gabrovo

Software Developer, Internet Administrator and Web Design.

Performed Internet linked work:

• Working with clients - installing clients software and hardware for Internet connecting -
  dial-up or leased line - modems, connection programs mostly on Windows 3.x/95/NT
• billing system - I wrote my own with using miniSQL with Lite language for scripts and Lynx
  for entering and looking records
• administration tasks: account managing - create, enable/disable, remove etc. I worked on
  Linux with bash shell and XWindow.
• Web page design - for EDA and for our clients. For this job I used GNU C/C++, Tcl,
  HTML, Java and JavaScript languages.
• Server related jobs - various scripts in GNU C/C++ and Tcl/Tk for making my life easier,
  maintaining Linux and Tcl FTP archive - I wrote my own system in Tcl and miniSQL for
  viewing archive content, security administration - firewall, proxy, routing etc.

1994 to 1997 Naturella Lantech Ltd. - Gabrovo

Software Developer.

Worked as a member of a team to write a complex decision support system for big textile
company in my native town - Gabrovo. The system includes:

• security system - who and when come to work, when he go to home etc.

• materials and production managing system - How many peaces on some material have in
  each store, how many production is made etc., documents for buying of materials and for
  production sell etc.

• accounting system - personal information for each customer, monthly invoices etc.
  For this project we used Borland C++ 4.5 on Windows 95/NT.

  My contribution to the project was to make the core functions for working with database
  files. We used Borland BDE. After this I worked in team for writing documentation for the
  system and more specifically the system for storing and managing of documents for
  production sell and buying of materials.

Other Activities

I was Gentoo developer for about 2 years (nickname: zhware):

http://www.gentoo.org/proj/en/devrel/roll-call/userinfo.xml?statusFilter=Retired
I made the XSLT for the project pages. After that, I worked in the documentation team.
My name is still on some of the documents, for example
http://www.gentoo.org/doc/en/handbook/handbook-x86.xml - Gentoo Handbook etc. During my last
months like a Gentoo developer I worked on the Gentoo-Hardened project, creating a Linux kernels
with RSBAC (http://www.rsbac.org/) open source access control framework. The project desided
to use SELinux and my second son was born, so I stopped participating.

In my free time I''m an active member of the Kansai Ruby/Rails Society, regularly visiting their
meetings and giving presentations from time to time (for example:
Erlang, Lua. AWK

開発環境

I like also programming and the Open Source movement in
general. Some of my projects:

• JijOS: http://zhware.net/hg/jijos - Microkernel-based
  hobby OS (C and Assembler)
• PTNews: http://zhware.net/hg/ptnews/ - Plain Text News
  System (PHP)
• LightS5: http://zhware.net/hg/ls5/ - Light version of
  s5presents (RoR)
• Restolog: http://code.google.com/p/restolog/ - RESTful
  blog in Ruby on Rails
• Reverl: http://code.google.com/p/reverl/ REVerse proxy
  in ERLang - (Erlang), not finished
• ESQS: http://code.google.com/p/esqs/, Even Simpler Queue
  Service - (Erlang), not finished
• RSS-Client: http://rubyforge.org/projects/rss-client/ -
  a ruby library for fetching and
  parsing RSS feeds with easy
• Tamanegi: http://planet.zhekov.net/ - RSS/Atom feeds
  aggregator, powered by Ramaze ruby
  framework.
• My personal weblog: http://d.hatena.ne.jp/zhesto/ -
  posting frequently about Linux, RoR,
  Erlang etc.

学歴

TU-Gabrovo, Bulgaria 大学院（修士）卒業