Probably less related to C++ as a language and more so an "embedded" issue or down to the specific industry that your friend is in. E.g., there are hundreds of

Probably less related to C++ as a language and more so an "embedded" issue or down to the specific industry that your friend is in. E.g., there are hundreds of C++ devs at my company that have the same work from home options and flexible hours as their frontend peers. So these jobs exist.