We actually had a Canadian colleague request to change the job title in the employment from Software Engineer to Software Developer due to these restrictions.
In the US, any type of (non-locomotive) engineer involved in critical engineering design, decisions, implementation, and manufacturing of large-scale or life-safety aspects can or should be a "professional engineer" (PE) so malpractice insurance (EPLI) will cover them and client/employers will hire them.
If I say I'm a witch doctor, there is no confusion that I'm not a doctor (of medicine).
My undergrad major was Computer Science & Engineering. Do I need an extra certificate to call myself "an engineer?" Nope.
But what about power plants, cars, trains, aviation, etc. Especially car entertainment systems have been glaring security problems.
This is actually something some people want. Don’t let them achieve it.
If it's unlisted, then it's fair to use by anyone:
https://en.wikipedia.org/wiki/List_of_professional_designati...