Hypothetically, if all a programmer did was, once a quarter, come in in person to maintain some piece of software that created $300k of value per year for the company, is that a problem for you?
Plenty of companies have consultants on call to do exactly that.
Unsolicited career advice: cultivating a reputation and a network within your industry, such that you're the one regularly receiving those calls, can be highly lucrative - look into it
Hypothetically, if all a programmer did was, once a quarter, come in in person to maintain some piece of software that created $300k of value per year for the company, is that a problem for you?