The funny thing is that I might assume a CEO/CTO at a small startup has less experience than a "Chief Software Architect." My assumption would be that the executives are founders and that there's not a minimum experience requirement for founders.
If you take the stereotypical Silicon Valley style start of 2-4 founders in their 20s or early 30s, someone is gonna be CTO, and there's a good chance they'll have relatively little experience. But a Chief Architect, I'd assume was an experienced early hire rather than a founder.