It’s all opinionated. I feel like Dagger is where most companies are at. Hilt is basically a Dagger generation engine (which I suppose is basically a DI graph generation engine). Personally I’d go with Dagger/Hilt. However, I do a lot of tech review take-homes, and I think it’s always interesting when I see something that I’m not familiar with, so using Koin might not be a bad idea; I’d just make sure to clarify that you knew how to use all of them (and also make sure you know how to use all of them 😉 ).