3+ years of professional experience in Android development using KotlinUnderstanding of mobile UI/UX conceptsA solid understanding of modern Android frameworks including Android Jetpack components such as LiveData, ViewModel, Jetpack Compose UI and Kotlin Coroutines + familiarity with legacy patterns such as XML layouts and classic View-based UIStrong understanding of object-oriented programming (OOP), functional programming, and architectural principles and design patternsAbility to write clean, scalable, and maintainable codeExperience working in a Scrum/Agile environmentExperience with source control systems (Git),  CI/CD pipelines and app distribution.Experience with Firebase or other mobile-focused backend services such as Analytics, Crashlytics, Cloud Functions or Remote ConfigExperience with WebViewProficiency in RESTful APIs, JSON parsing, and networking in Android as well as experience with dependency injection frameworksA proactive attitude – suggesting ideas, researching solutions, and solving problemsCreativity and attention to detail – always looking to improve the user experience and code qualityExcellent problem-solving and analytical skillsFluent in Polish and English is a must (B1-B2 level)Experience in video streaming projects is a plusWe Offer: Full remote position / hybrid work (office in Gliwice)Employment Contract or B2B. Stable working environment with a focus on long-term cooperation. Optional English or Spanish lessons. Private medical care (Luxmed). Life insurance (Allianz). Multisport membership. Birthday leave Voluntary days