This is literally the first time that I hear someone making any difference between “programmer” and “developer”. Hell I don’t even think I’ve ever heard a difference with “software engineer”, apart from countries where engineer is a protected title
I work in government and my position has been reclassified from computer programmer to software developer and software engineer over the past 20 years. Same workload and skillset. We're even supporting some of that same software written 20 years ago.