Long time system software developer, was doing UNIX porting / kernel dev before Linux was a thing. Program mainly in Python and C, but proficient in many other languages including C++, Go and more. Develop specifications and documentation. Successful trainer. Two most recent projects for work were widely different - learned C# to write some tutorials for a mobile device project, and set up a certification program for a major IoT consortium. Core (volunteer) developer on the scons build system project.