E-commerce Website and App Development

I'm seeking a skilled developer to create an e-commerce website and mobile app. The primary purpose of these platforms is to facilitate online shopping.

Key Requirements:
- The design should be a mix of custom and template elements, offering a unique yet familiar user experience.
- The e-commerce solution can be built on Shopify, WooCommerce, or Magento, depending on your expertise and recommendation.

Ideal Skills and Experience:
- Proficiency in developing e-commerce platforms, particularly on the preferred platforms
- Strong design skills, with experience in both custom and template-based designs
- Knowledge of mobile app development, particularly for e-commerce
- Ability to integrate secure payment gateways and ensure robust cybersecurity measures
- Excellent communication skills for regular updates and feedback

Please provide a portfolio showcasing similar projects.