I need a mobile fuel delivery app developed for both iOS and Android. Key features include: - Payment integration: Credit/Debit card payments - User profile management - Subscription-based model - Delivery optimization to enhance efficiency Ideal skills and experience: - Proficiency in mobile app development for both iOS and Android - Experience with payment integration, particularly credit/debit card processing - Strong background in user profile management systems - Ability to implement algorithms for optimizing delivery routes based on customer sunscripptions and delivery requests