Andorid Developer (Kotlin)

We are currently supporting one of our long-term technology partners in the search for an experienced Android Developer (FinTech / mobile banking) to join an ongoing development project in the mobile applications area. The role is focused on building and evolving a modern Android application within a complex, large-scale product environment. 🔧 Project details Start: end of June 2026 Duration: 12 months Type: full-time (service contract) Location: remote Cooperation type: B2B/UoP/UZ The project involves development of a large-scale mobile application in the fintech domain. The focus is on both delivering new functionality and improving existing features through refactoring and optimization. The role combines feature development with strong emphasis on: clean and maintainable code performance and stability modern Android architecture high-quality user experience The team works in an Agile setup and closely collaborates with business analysts and UX/UI designers to translate requirements into well-designed mobile features. 🧩 Responsibilities Development of new Android features within an existing application Extension and refactoring of existing functionalities Participation in feature refinement and technical clarification Collaboration with UX/UI designers on user experience and interface design Building complex UI components using Jetpack Compose Writing unit, integration, and UI tests Working with Git-based workflows Supporting CI/CD processes and build improvements Ensuring high standards of code quality, security, and maintainability Active participation in technical discussions within the team ⚙️ Requirements Minimum 5 years of experience in Android development Strong commercial experience with Kotlin Experience working in Agile development environments Good understanding of modern Android architecture patterns Experience with automated testing (unit / integration / UI) Familiarity with CI tools (e.g. TeamCity or similar) Experience with dependency injection and build tooling Knowledge of refactoring and code quality practices Understanding of application security concepts Strong communication skills and ability to work in cross-functional teams Open, proactive mindset and ability to work iteratively 🛠 Tech stack Kotlin, Android SDK, Jetpack Compose, Coroutines, Flow, Dependency Injection, Git, CI/CD (TeamCity or similar), testing frameworks, linting tools, build tools, security practices.