At IRIUM we want you to always chase your dreams. Here, prepare yourself to conquer your goals, while enjoying the journey. We are currently looking for **Senior Android Developer for a Leading Multinational Retail Company** **Requirements:** Tech Stack Kotlin, Jetpack Compose, Coroutines, Android Architecture Components, WebSockets, Server\-Sent Events (SSE), GCP, Kubernetes Profile Requirements 5\+ years of experience in Android development using Kotlin Strong hands\-on experience with Jetpack Compose, Coroutines, and modern Android architecture components Experience integrating WebSocket, SSE, or similar real\-time communication protocols into Android apps Proven ability to build and maintain modular, reusable UI components for production\-scale mobile applications Familiarity with Server\-Driven UI concepts and rendering dynamic UI based on JSON\-based schemas Understanding of chat UI design patterns, prompt handling, and conversational UX Experience working in CI/CD environments powered by GCP and Kubernetes pipelines Strong understanding of performance optimization, accessibility, and testing in Android Nice to Have Experience with AI/ML\-integrated chat platforms (e.g., LangChain, Firebase ML, Dialogflow) Exposure to mobile A/B testing and analytics tools Contributions to open\-source mobile projects or UI libraries Familiarity with backend integration via REST, GraphQL, or Firebase **Location: Lisbon, Braga, Coimbra, hybrid.** What do we offer? An innovative and growing company, with a lot of opportunities for professional development. Retribution according to your experience and performance. Access to flexible pay and medical insurance as a social benefit. Unlimited access to technological training in free mode. IRIUM is a company with dynamic and proactive professionals. Our values ​​are responsibility and commitment to work quality. This is the spirit we are looking for at IRIUM, whatever your age is. If you recognize yourself in this, this is your company! We can build the future together. Let’s talk! At IRIUM we defend a world without stereotypes or limitations and we believe in equality for all, principles that we subscribe to in our Equality Plan and Code of Ethics, guaranteeing equal treatment and opportunities regardless of any personal, physical or social condition. Tipo de oferta: Integral/Full\-time