In my experience, you're on point. Senior Developer, often so for as many as 20-25 years in my experience, is often very content to be the coding ninja in the group if you will, s/he will mentor others technically but prefers to not get involved between inter-departments and the "business liaison" and "architect" like role that the Lead Developer does.
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In my experience, you're on point. Senior Developer, often so for as many as 20-25 years in my experience, is often very content to be the coding ninja in the group if you will, s/he will mentor others technically but prefers to not get involved between inter-departments and the "business liaison" and "architect" like role that the Lead Developer does.