E-commerce Mobile App for Services

I'm looking for a skilled mobile app developer to create an e-commerce app that primarily sells services. This isn't just any ordinary app; it needs to include two unique features: a visual product generator and a liquid calculator.

Key Responsibilities:
- Develop an engaging and user-friendly mobile app for e-commerce
- Implement a visual product generator
- Integrate a liquid calculator based on requirements
- Ensure the app's primary focus is on selling services
- Mobile application for ios and android , also for stores publication
- in app purchases / subscription
- after app is completed provide source code and documentation

Ideal Skills:
- Extensive experience in e-commerce app development
- Proficiency in creating interactive features such as product generators
- Strong understanding and skills in integrating calculators into apps
- Ability to design a seamless interface for service-based e-commerce

Please bid only if you have relevant experience and can deliver a high-quality product.