Job Summary: We are looking for an experienced Android Developer for an international project, developing applications with Kotlin and Java, and participating in the entire software lifecycle using agile methodologies. Key Highlights: 1. Participation in international projects using current technologies. 2. Agile, collaborative, and quality-oriented environment. 3. Professional development and continuous learning. **Description:** ---------------- At **NS Group**, we are seeking an experienced **Android Developer** to join an **international project**, working with agile methodologies and modern mobile development technologies. The selected candidate will join a collaborative technical team and participate in the full application lifecycle—from development to publication on the Google Play Store. ***Main Responsibilities*** * Development of Android applications using Kotlin and Java. * Participation in projects following agile methodologies (Scrum). * Regular use of management and collaboration tools such as Jira and Confluence. * Development, testing, and maintenance of mobile applications. * Management of app publishing and updating processes on the Google Play Store. * Implementation of unit tests and UI tests. * Version control using Git. * Collaboration with international teams. ***Position Conditions*** * Work mode: Hybrid (2 days onsite in Barcelona). * Location: Barcelona. * Project: International and stable. * Sector: Software Development / Mobile. ***What We Offer*** * Joining NS Group, a company specialized in technological solutions. * Participation in international projects using current technologies. * Agile, collaborative, and quality-oriented environment. * Professional development and continuous learning. **Requirements:** --------------- **Requirements** * 3–5 years of experience as an Android Developer. * Proficiency in Android Kotlin and Android Java. * Experience with Koin and Retrofit. * Knowledge and practical use of Jetpack Compose. * Experience in Android application testing and debugging. * Advanced level of English (mandatory and certifiable). * Availability for: * 2 days of onsite work per week at the Barcelona office. * Occasional travel to Germany (2–3 times during the project, possibly requiring full-week stays). **Preferred Qualifications** * Knowledge of Spanish and/or German. * Experience in international and multicultural environments.