Personal info
| Date of birth | 24/09/1987 |
| Residence | Athens, Greece |
| Nationality | Greek |
| Military obligations | Fulfilled (February 2010 - November 2010) |
| billkall@gmail.com | |
| Phone | (+30) 69432318030 |
Professional experience (so far...)
| March 2016 - now | Lead Software Engineer @ e-Travel S.A. |
| February 2013 - March 2016 | Team Leader for Front-end Team @ e-Travel S.A. |
| Novembrer 2011 - February 2013 | Web Developer @ e-Travel S.A. |
| March 2011 - November 2011 | Full-stack Software Engineer @ CMS |
| January 2011 - March 2011 | Software Engineer @ Wap5 Telecommunications Ltd. |
| January 2008 - December 2009 | ECDL Instructor @ Technoplus |
| October 2007 - May 2008 | ECDL Instructor @ Epikoinonia |
| September 2006 - June 2007 | ECDL Instructor @ Webwonders Hellas |
Education
| 2013 - 2015 |
Athens University of Economics and Business
Master thesis on "GUI Testing Automation on Android Applications"
|
| 2005 - 2011 |
Univeristy of Piraeus
Thesis on "Information Security"
|
Knowledge
| Level | Programming languages |
|---|---|
| Excellent | Ruby, HTML, JavaScript, CSS, SQL |
| Good | Java, Korn/Bash shell, XML, ActionScript, Delphi, C, C++, C#, PHP, SQL, Assembly, Pascal |
| Level | Database Management Systems |
|---|---|
| Excellent | MS SQL Server, MySql, Access |
| Good | PostgreSQL, SQLite, Oracle |
| Level | Design-Development Tools |
|---|---|
| Excellent | IntelliJ Idea, RubyMine, MS Visual studio (.NET), MS Visual Code Studio |
| Good | Eclipse, Adobe Dreamweaver, Rational Rose Design Tool (UML), Delphi, FrontPage, Matlab |
Conferences
Languages
| English | Professional working proficiency |
| Greek | Native or bilingual proficiency |
Hobbies
| Long walks with my dog | |
| Reading books | |
| Grabbing pop-corn and watching a movie at the cinema | |
| Hanging out with friends | |
| Travelling |
Open source projects
Ruby, Graphviz
A gem that converts a Rails application logs into an image graph, representing all the elements that consisted each action.
Ruby, Graphviz
A gem that, given the input of a Gemfile.lock's text, produces a .png image of the dependencies tree.
Ruby, Rspec
A gem that converts a Rails application logs into an image graph, representing all the elements that consisted each action.
RoR
A Rails app that stands as a collection of tools that I frequently search for online, compiled into a single place, such as Sample data generators, JSON, XML beautifiers and more.
Ruby
A Ruby gem that converts a JSON input to Ruby classes, as well as C# and VB.Net (based on the options passed by the user).
Ruby
A Ruby gem that provides multiple info for specific date, such as events, births and deaths that took place at that specific date.
Ruby
A Ruby gem that allows a user to request random facts with optional parameters such as max size of returned results array.