Languages: C++, C, python, javascript, GO, C#, Scheme / Common Lisp, Erlang, x86 / ARM assembly, (OCaml), Environments: Windows (UI, system development, COM/ATL), Linux (Kernel drivers, Ubuntu), QNX, System dev: Embedded development (Linux/QNX IO driver development, HW communication boards, micro-controller development ATmega328P, ARM Cortex A8, Parallax Propeller ...) Misc: Web Browser architecture & internals (Chromium/Webkit2), Qt5/QML, nodejs native plugins, V8 embedder, HTTP, SMTP, SQL (SQLServer/MySQL), OpenGL/GPGPU, Machine Learning (SVM, Bayes, ...), Text Processing, FOSS, Hobby: 3D rendering, Compiler & Interpreter development, Image Processing/Computer Vision, Machine Learning, Fluid Simulations,