Knowledge

Languages I speak
Polish (native)
Dutch (native)
(AUS) English (native-level)
Japanese (proficient) (JLPT N4 certified)
German (proficient)
Mandarin Chinese (beginner)
Spanish (beginner)
Russian (beginner)

Programming languages I use
PHP/MySQL (web applications)
HTML/CSS/Javascript (web markup)
C++ (video games and Linux applications)
C# (Unity and Windows applications)
Java (Android applications)

Frameworks I'm familiar with
NW4C (C++)
jQuery (Javascript)
Bootstrap (CSS)
AngularJS (Javascript)

Operating systems I'm familiar with
Linux (Debian, Ubuntu, CentOS, Arch Linux, OpenSuSE, Manjaro, Linux Mint)
Windows (anything from Windows 95 to Windows 10)
(Mac) OS X and macOS (anything from OS X 10.4 to macOS 10.12)
Android (anything from 1.0 to 7.1)
Windows (Phone) (8.0, 8.1 and 10)
iOS (anything from 3.0 to 10.3)

Other applications I'm familiar with
Adobe Premiere Pro CC
Adobe Photoshop CC
Adobe Illustrator CC
Maya 2013, 2014, 2015, and 2016
PuTTY
Visual Studio 2008, 2010, 2012, 2013, and 2015
Notepad++
Microsoft Word 2003, 2007, 2008, 2010, 2011, 2013, Mobile, 2016
Microsoft Excel 2003, 2007, 2008, 2010, 2011, 2013, Mobile, 2016
Microsoft Powerpoint 2003, 2007, 2008, 2010, 2011, 2013, Mobile, 2016
Microsoft Outlook 2010, 2011, 2013
Microsoft Access 2010
Unity Game Engine from 3.0 to 5.4