I actually agree about large RoR codebases, the last few major ones I've seen were absolute dumpster fires and the solutions implemented to fix them, was more o

I actually agree about large RoR codebases, the last few major ones I've seen were absolute dumpster fires and the solutions implemented to fix them, was more or less standard enterprise java patterns. So you ended up doing java anyway. On the other hand, I'd say Elixir/Phoenix gives you exactly what you want these days and especially with the gradual type system, non-magic database ecto layer etc.