I used to be a performance engineer for telecoms systems. Tuning & fixing performance regressions saved millions in hardware costs & software licenses (think da

I used to be a performance engineer for telecoms systems. Tuning & fixing performance regressions saved millions in hardware costs & software licenses (think databases, licensed by core) in the late 90s/early 2000s. It was great fun, and highly rewarding (mentally). I'd love to get back into it.