Senior Mobile Developer (Android) – B2 B 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 experienceProficiency with Coroutines and/or Rx JavaSolid grasp of MVVM architecture, design patterns, and data structuresExperience with unit testing, UI testing, and TDDAgile mindset — Scrum or KanbanSelf-directed, collaborative, with a passion for quality and fluid mobile experiencesBonus points for:Kotlin Multiplatform or Compose MultiplatformCI/CD pipelines and toolingPerformance monitoring and metricsMentoring experience and promoting best practices