Coding: 
CI/CD: 
/** Heya this is Yen, I code backend for problem solving */
sealed trait Skill {
def description: String
}
case class BackendDevelopment(name: String) extends Skill {
def description: String = s"$name involves building backend services with JVM and Python."
}
case class DataEngineering(name: String) extends Skill {
def description: String = s"$name focuses on big data, streaming, and data platform development."
}
case class SystemArchitecture(name: String) extends Skill {
def description: String = s"$name includes system design and product ownership."
}
object SkillApp extends App {
val skills: List[Skill] = List(
BackendDevelopment("Backend Development"),
DataEngineering("Data Engineering"),
SystemArchitecture("System Architecture")
)
skills.foreach(s => println(s.description))
}