Ionic App: GPS & Payment Integration

My project involves integrating GPS and Payment modules into an Ionic application specifically designed for the E-commerce sector. While the specific payment methods and GPS functionalities have not been decided yet, the integration should accommodate potential real-time tracking and a variety of payment methods including Credit/Debit Card and PayPal.

Ideal Skills:
- Expertise in Ionic framework
- Proficient in integrating GPS functionalities
- Extensive experience with various payment gateways
- Prior work in E-commerce app development