I was in SW from 1974 till 2019. Retired as CTO of SV based SW company that I cofounded.
Started with cobol on punched cards. Ended with v large scale SAAS c# projects. And linux stuff in go.
current fun project, writing PDP11 emulator in c++17. Cos why not -:) also writing a few bits in rust.
I finished a rewrite of pdp11 in Rust. That was fun
Also created a music ear traing program in c# WASM blazor - see https://earworm.jollygoodsw.com/