Work Experience

2000 to 2007 SilverEgg Technology Co., Ltd. – Osaka, Japan

System Engineer and Software Developer.

Performed work:

• 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

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

Software Developer.

Performed work:

• 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

1997 to 1999 EDA Ltd. – Gabrovo

Software Developer, Internet Administrator and Web Master.

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 development – for EDA and for our clients. For this job I used GNU C/C++, Tcl, HTML, Java and JavaScript languages. I wrote directly in HTML without using any GUI program or HTML editor.
• 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

meetings and giving presentations from time to time (for example: “Rails Deployment with NginX” – http://www.slideshare.net/zhesto/rails-deployment-with-nginx-english/ ). 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
• My personal weblog: http://d.hatena.ne.jp/zhesto/ – posting frequently about Linux, RoR, Erlang etc.

Education

My Master Degree work in Technical University was “RSA public key encryption algorithm”.

• 1991 – 1994—B.A. Technical University, Gabrovo
• 1994 – 1996—M.A. Technical University, Gabrovo Major subject: Computer Networks and Systems

Personal Data

• Sex: male
• Date of Birth: July 18th, 1970 (37 years of age)
• Nationality: Bulgarian
• Marital Status: Married (have 3 kids)