I'm seeking an experienced mobile app developer to create a comprehensive ecommerce app for both iOS and Android platforms. Essential features include: - Product catalog: Intuitive and visually appealing display of products. - Payment processing: Secure transactions, supporting multiple payment methods. - User reviews and ratings: Integrated feedback system for products. User authentication should be via phone number and OTP. Ideal skills and experience: - Proven track record in developing secure, user-friendly ecommerce apps. - Expertise in cross-platform development. - Strong UI/UX design capabilities. - Familiarity with integrating secure payment gateways and OTP authentication. Please provide your portfolios and relevant experience.