Senior Mobile Developer (Android) – B2B Long Term Contract (Remote, Portugal-based)Porto District, Portugal |Contract |RemoteWe are looking for a Senior Android Mobile Developer to join a long-term contract engagement within a high-performing engineering team. You'll be responsible for building fast, responsive, and reliable mobile applications, while shaping user experiences that delight customers.What we're looking for: Strong Kotlin and Jetpack Compose experience Proficiency with Coroutines and/or RxJava Solid grasp of MVVM architecture, design patterns, and data structures Experience with unit testing, UI testing, and TDD Agile mindset — Scrum or Kanban Self-directed, collaborative, with a passion for quality and fluid mobile experiencesBonus points for: Kotlin Multiplatform or Compose Multiplatform CI/CD pipelines and tooling Performance monitoring and metrics Mentoring experience and promoting best practicesIf you are interested, or know anyone who might be interested, please apply!