We are seeking a **Senior Developer** to create innovative mobile applications used by millions globally. You will work with cutting\-edge technologies and contribute creative solutions to complex problems. If you are passionate about user experience and clean code, apply now to be part of our innovative project. **Responsibilities** * Build Android applications from concept to deployment * Write, review, and delete code to maintain and improve application quality * Implement and maintain build tools such as Gradle, GitHub Actions, and Circle CI * Apply continuous integration patterns to streamline development processes * Identify, analyze, and fix bugs to ensure application stability * Develop asynchronous coding patterns for efficient performance * Optimize application performance through detailed analysis * Maintain and refactor legacy code to enhance functionality * Develop and execute unit and integration tests for reliable software * Collaborate with a globally distributed team to achieve project goals * Integrate with bespoke backend services to deliver seamless functionality * Design solutions for open\-ended problems ensuring scalability * Manage time effectively and self\-start to meet project deadlines * Share ideas openly to improve user experience and code quality **Requirements** * Experience building Android applications with at least 3 years in development * Strong knowledge of Kotlin, Kotlin Coroutines, and Flow with 3\+ years experience * Familiarity with MVI Architecture pattern and Jetpack Compose * Proficiency in testing frameworks including JUnit, Espresso, and WireMock * Experience with REST API integration and RAML API documentation * Hands\-on experience with build tools like Gradle, GitHub Actions, and Circle CI * Ability to work with asynchronous programming patterns such as RxJava * Knowledge of dependency injection frameworks like Dagger * Experience working in globally distributed teams * Bachelor’s degree in Computer Science or related field or equivalent experience * Strong problem\-solving and analytical skills * Excellent communication and collaboration skills * English proficiency B2 Upper\-Intermediate **Nice to have** * Experience contributing to open source projects * Background in performance analysis and optimization * Familiarity with test fakes for testing environments