I would go for Ruby on Rails, or a more modern Phoenix Framework (Elixir). With Phoenix you can also use Phoenix LiveView to avoid writing JavaScript. Very stable, scalable and low-hassle once you deploy.
Laravel is basically the “Rails of PHP”, and has an absolutely incredible ecosystem to go with it.
Livewire was directly inspired by Phoenix LiveView. I only just recently started using it in my own projects, but it’s invaluable. Backend has always been my speciality, but now I can make real-time UIs just like the cool JS kids can too :)