Mobile Cashback App Development

I need an experienced mobile app developer to create a cashback app for both iOS and Android platforms. The app must integrate with retailers and provide cashback redemption options. Key Requirements: - Develop for both iOS and Android - Core features: - Integration with retailers - Cashback redemption options - User-friendly interface - Secure transaction processes Ideal Skills & Experience: - Proven mobile app development experience - Strong background in payment integration and retail partnerships - UI/UX design proficiency - Knowledge of security protocols for financial transactions Please provide past work portfolio in your application.