Coding: 
CI/CD: 
/** Heya this is Yen, I code backend for problem solving */
object SkillApp extends App {
// Define a function to describe the skill
def describeSkill(skill: Skill): String = skill match {
case BackendDevelopment(name) => s"$name involves building backend services with JVM and Python."
case DataEngineering(name) => s"$name focuses on big data, streaming, and data platform development."
case SystemArchitecture(name) => s"$name includes system design and product ownership."
case _ => "Other awesome skills!"
}
// Using the case classes
val backendDev = BackendDevelopment("Backend Development")
val dataEng = DataEngineering("Data Engineering")
val sysArch = SystemArchitecture("System Architecture")
}