Backend is full of rabbit holes. So build something simple (blogger) which touches on primary concepts : api-router, auth, access control, storage, db, cache,

Backend is full of rabbit holes. So build something simple (blogger) which touches on primary concepts : api-router, auth, access control, storage, db, cache, cloud, tests, continuous integration & deployment. Even for a small app - one will have to make lot of choices from existing components/frameworks/packages. So begin in a language you are comfortable or you like to get a hang of concepts.