Product Marketplace Development

I am seeking a proficient developer to create a product marketplace, accessible on both a website and a mobile app.

Key Features:
- A secure payment gateway is essential for transactions to ensure safety and reliability for users.
- An efficient product search and filter system is crucial to enhance user experience and allow easy navigation through the marketplace.

Ideal Skills:
- Extensive experience in developing both websites and mobile apps is a must.
- A strong portfolio in creating secure payment systems will be highly regarded.
- Expertise in designing user-friendly search and filter features is essential.

I look forward to your proposals.