I'm looking for an experienced app developer to create a social networking application for both iOS and Android platforms. Key features include: - Messaging: Real-time chat functionality. - Profile Creation: User profiles with customizable options. - News Feed: Dynamic content feed. Ideal skills and experience: - Proven experience in cross-platform app development. - Strong background in social networking apps. - Expertise in real-time messaging systems. - UI/UX design skills for engaging user interfaces. Please provide a portfolio with relevant projects.