I would expect any halfway decent hire with real React and SQLite experience to be able to pick up survival level Vue and PG within those 90 days though? At th

I would expect any halfway decent hire with real React and SQLite experience to be able to pick up survival level Vue and PG within those 90 days though? At the end of the day JS is JS and SQL is SQL, particularly if you're a dev and not a DBA. You'd have a problem if they (say) have never touched a database before.