iOS Business App Developer

I'm looking for an experienced iOS developer to create a sales and marketing business app. The primary function of this app will be to facilitate purchase and sale transactions.

Key Requirements:
- User-friendly interface for seamless navigation.
- Secure payment gateway integration.
- Real-time analytics on sales and purchase trends.
- Robust backend to handle high-volume transactions.
- Strong security features to protect user data.

Ideal Skills and Experience:
- Proven experience in developing iOS business applications.
- Expertise in integrating secure payment systems.
- Strong knowledge of analytics and data visualization.
- Familiarity with backend technologies and database management.
- Excellent UI/UX design skills.

Please share your portfolio and relevant experience. Looking forward to your bids!