Responsible for the following tasks:• Design, develop, and maintain high-quality Android applications using Java/Kotlin and Android SDK.• Collaborate with cross-functional teams to define, design, and ship new features.• Optimize app performance and troubleshoot issues to ensure a smooth user experience.• Implement user interfaces that are consistent with the latest Android design principles.• Integrate third-party APIs and libraries to enhance app functionality.• Write clean, maintainable, and well-documented code.• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.• Participate in all phases of the development lifecycle, including requirements gathering, design, testing, and deployment.• Ensure the security and data protection of the applications.• Debug and resolve technical issues reported by users or identified through testing.• Stay updated with the latest industry trends and best practices in mobile development.I learned a lot of tech stacks there, such as Dependency Injection, Dagger, Android Architecture, Clean Code, and best practices for Android development.