I don't know what to say. People keep saying these engineers exist and here I am not having seen a single, and I follow many indie hackers communities.
Because I think precisely the indie hacker community is not as keen to default to the big-tech stacks, because those are neither indie, nor hack-y :)
I've worked at a startup that could've trivially ran on a single VPS and kept things simple yet had a dedicated infra guy using a full k8s setup.
A devops coworker found my blog and asked me how I host it, is it Kubernetes. I told him it's a dedicated server and he seemed amazed. And this was just a blog. It's real