Hi
I’m an Electronic Engineer and I have almost 30 years of experience in software development (C, C++, java, python, perl, fortran, Assembler, etc) over unix or windows mainly in backend and middleware, real time (qnx, freeRtos, etc) and some frontend experience. I have wide embedded experience: stm32, esp32, esp8266, i8051, rabbit2000, motorola family, etc. In this sense I have worked extensively with freeRtos on stm32 or esp32.
I have worked for important companies such as Boeing(BRTE), Ericsson, Siemens, Telecom, Telefonica, Cablevision, Aydin Santander, etc. Also I have been working for Universidad de Buenos Aires (UBA).
Although I didn't work with LC3, from what I've googled it seems easy.
regards