ISPROX is a talent recruiting organization. Our goal is to find and select the best human capital and talent for our clients in order to help them to grow or sustain as a company. ISPROX has presence in several locations in Europe in order to be as much close as possible from our clients. Our client is a European IT service provider that offers consulting, software development, managed services, IT security, and AI solutions for regulated industries like telecommunications, finance, and logistics. **ISPROX is looking for** Are you passionate about building beautiful, high\-performance Android applications that reach millions of users? We’re looking for a **Senior Android Developer** to join our client´s growing team and work on innovative projects for **major European brands**. You’ll have the opportunity to design, develop, and deliver scalable Android apps using modern technologies — all within a collaborative, international environment. **What you´ll do:** * Develop and maintain cutting\-edge Android applications using **Kotlin** and **modern Android development practices**. * Build elegant, reactive UIs with **Jetpack Compose**. * Architect robust and scalable solutions following **Clean Architecture** (MVVM, domain/data/presentation layers). * Implement **dependency injection** using **Hilt** or **Dagger** * Manage local and remote data using **Room Database**, **Ktor**, or **Retrofit**. * Leverage **Coroutines** and **Flows** for asynchronous programming. * Write clean, testable code using **JUnit**, **Kotest**, and **MockK**. * Collaborate closely with designers, backend developers, and stakeholders to deliver exceptional user experiences. **What we´re looking for (mandatory skills):** * **4\+ years** of professional Android development experience. * Deep knowledge of **Kotlin**, **Jetpack Compose**, and **Android Architecture Components.** * Strong understanding of **multi\-module architectures** in large\-scale projects. * Solid experience with **unit testing** and **test\-driven development**. * Excellent communication skills and a collaborative mindset. * Fluent in **English** (spoken and written). **Nice to have skills:** * Experience with **Firebase Services** (Analytics, Crashlytics, Remote Config). * Familiarity with **Detekt** or **SonarQube** for code quality and static analysis. * Understanding of **offline\-first architectures** and complex **state management**. * Knowledge of **performance optimization** and **profiling** techniques. * Experience working in **international, cross\-functional teams**. **Why joining us:** * Work with **top European brands** on diverse and challenging projects. * Be part of a **forward\-thinking, tech\-driven company.** * Collaborate with talented professionals who value innovation and quality. * Enjoy a **flexible work environment** that supports work\-life balance. Ready to take your Android expertise to the next level? Apply now and become part of our growing tech community!