job posting for a start-up looking for an android/kotlin dev

simulate.kt

data class Skill(val description: String)
interface AwesomeGuy
interface AndroidGeek
interface TeamPlayer

object MateCrate {
    val skills = mutableListOf<Skill>()
    val members = mutableListOf<AwesomeGuy>()
    val benefits = mutableListOf<String>()
    fun beAwesome(andDoThis: () -> Unit) = andDoThis()
    fun wilBeEvenMoreAwesome() = true
}

data class Person(val skills: Set<Skill>, val benefits: MutableList<String> = mutableListOf()) :
        AwesomeGuy, TeamPlayer, AndroidGeek

val you: Person? = Person(setOf(Skill("..."), Skill("...")))

val bigBang = fun() {
    MateCrate.let {
        it.beAwesome {
            you?.apply {
                to(MateCrate)

                when {
                    skills.isNotEmpty() &&
                            this is TeamPlayer &&
                            this is AwesomeGuy -> {
                        MateCrate.members.add(you)

                        with(you as AndroidGeek) {
                            it.wilBeEvenMoreAwesome()
                            fun yeah() {}

                            also {
                                you.benefits.addAll(MateCrate.benefits)
                            }
                        }
                    }
                    else -> run { print("sry") }
                }
            } ?: print("NPE caught")
        }
    }
}.invoke()