I'm a mostly retired software/hardware engineer.

Software experience in OS internals, middleware development, server middleware and application design and implementation, protocol implementation, embedded systems, Android development (have app in market last 12 years). Languages: ~30 assembler languages (many archaic now), Java, Javascript, Python, C, Forth, Fortran, Cobol.

Hardware: medical instrumentation design, RF modem specification and design (patent), RF direction finder design, misc digital products and components.

Ham operator; Civil Air Patrol volunteer in Search and Rescue, incident command, software and hardware design and support.