With over 12 years of experience in mobile app development and backend solutions, I specialize in building high-quality, scalable applications across both Android and iOS platforms, as well as creating robust backend systems using Java Spring Boot. My expertise spans Native Android (Java, Kotlin), iOS (Swift), cross-platform frameworks like React Native and Flutter, and cloud technologies, while also focusing on test-driven development (TDD) and Agile methodologies to ensure clean, maintainable, and reliable code. Key Skills & Technologies: Languages: Java, Kotlin, Swift, Python, React Native, Java Spring Boot Mobile Platforms: Native Android, iOS (Swift), Cross-platform (React Native, Flutter, KMM) Backend: Java Spring Boot Databases: MongoDB, MySQL, SQLite, Realm, CoreData Cloud: Firebase, MongoDB Cloud Testing & Automation: JUnit, Mockito, XCTest, TDD Development Practices: Agile, CI/CD, Code Review, Code Refactoring, Software Architecture I am passionate about mentoring junior developers, leading code reviews, refactoring code for improved performance, and designing clean, scalable architectures. By combining my deep technical knowledge with my commitment to best practices, I deliver solutions that are both innovative and efficient. Services I Offer: Mentorship for Junior Developers Code Reviews & Best Practice Implementation Code Refactoring for Performance & Maintainability Architecture Design & System Optimization Mock-Interview Interview tips Best practises advices I thrive in dynamic, collaborative environments where I can continue learning, share knowledge, and contribute to the success of projects that push the boundaries of mobile and backend development. Let’s connect and build the next generation of software together!