Affordable Shopify Developer for E-commerce Site

I am seeking a cost-effective, skilled web developer specialized in creating clean, professional Shopify e-commerce sites. The website will cater to a small business, hence it needs to be simple yet appealing.

Key Requirements:
- Develop a Shopify site with a comprehensive product catalog and categories.
- Integrate a reliable, secure payment gateway.

Please provide your portfolio, rates and relevant experience. Your deliverables should include a responsive, user-friendly design at a low cost.