Ask HN: Space for Vanilla JavaScript and Serverless?

Hello! Wondering where else can this stack fit. I (and some colleagues) have been exposed mostly to vanilla JS for library-like component construction and usage, and also running JS scripts in serverless environments (Netlify, Azure Functions).

So no traditional React/Postgre/Next etc knowledge.

Where can I take these skills and put them to good use? I thought about constructing API's and placing them on RapidAPI or similar.