TBF, your current title/project isn't the same thing as what you're capable of... I have a lot of experience with both front end and backend systems.

I was brought into a new job as a UI expert, but still had some opinions on the backend approach... I overheard a conversation that included, "what does he care about the backend, he's just a UI guy." I don't think I've been quite that pissed off any other time in well over a decade at a workplace.