A lot of these folks are saying positive things about the company, but truthfully having no seniors and having you make technical decisions with 6 months of exp

A lot of these folks are saying positive things about the company, but truthfully having no seniors and having you make technical decisions with 6 months of experience is a red flag, not a nice situation. It's probably not polite to ask, but I would try and form and answer the question of why that's happening - while it can be a learning experience you dont want to be the smartest person in the room (ever) when you are just starting your career.