I need an experienced Android developer to create a robust application. Key Requirements: - App Type: Social media, E-commerce, or Utility (to be discussed) - Main Functionality: User account management, content sharing, or transaction processing (to be discussed) - UI Design: Minimalistic, colorful, or professional (to be discussed) The ideal candidate should have: - Proven experience in Android app development - Strong understanding of UI/UX principles - Ability to integrate secure and efficient backend services - Excellent problem-solving skills Please provide a portfolio showcasing similar projects.