Senior Software Developer and Hardware Engineer

50 years experience, 9 years software and hardware education, 80-ies whizz-kid, hacker. reverse-engineer, optimisations, linux minded, multi-architecture, quick learner. Front-end, back-end, API-endpoints, full-stack. Also into developing custom toolchains, custom distributions, bare-metal development, porting. Familiar with how thing work from the moment the system powers up. Good in finding and fixing nasty bugs. Started with creating multi-tasking basic for Apple2 in 70ies, developed Multi-player games on TOPS20 in 80ies, Inspired by Inmos transputer, worked on operating systems, designed kernel debugger and implemented TCP/IP in 90ies. Designed Raspberry-Pi/Arduino like system in Taiwan in 00ies, life work: fractal logic, capturing essence of information in fractals, calculating with fractal structures in 10ies, 2D-scanline/paintbrush video encoder in 20ies. Recent projects: UWB indoor positioning system using DWM1000, Upgraded qrpicture.com for HD visual QR codes, Apache fail2ban module. Showcases: https://xyzzy.github.io/, https://rockingship.github.io/