No. At a certain point it won't make sense for a software engineer to code and also to manage the books, recruit, do sales, or manage a marketing budget. You'l

No. At a certain point it won't make sense for a software engineer to code and also to manage the books, recruit, do sales, or manage a marketing budget. You'll find that as you grow it's best to maximize the time people can spend on what they are best at. Maybe the leadership could all have engineering backgrounds, but it'd be dumb to make them both engineers and in charge of some non-engineering thing at the same time.