What distinguishes a mid-level developer from a senior one, and how do you make the leap? \nFind out in this episode of Talking Kotlin! Our guest is Marcin Moskala \u2013 an experienced developer, trainer, speaker, and author of books on Kotlin.\n\nMarcin on Twitter - https://twitter.com/marcinmoskala\nMarcin's website - https://marcinmoskala.com