Key Responsibilities :1. Working with product managers and designers to understand user requirements and design app features that meet these needs.2. Writing clean, efficient, well-documented code that follows best practices and industry standards.3. Testing and debugging the app to ensure it is stable and performs well on a variety of Android and iOS devices4. Keeping up to date with the latest developments in mobile app development, and incorporating new technologies and techniques.5. Collaborating with teams, including designers, product managers, and QA engineers, to ensure the app is delivered on time and to a high standard.6. Maintaining and updating existing apps to fix bugs, add new features, or improve performance.