E-commerce Website Payment Integration

I'm looking for an experienced web developer to help me create an E-commerce website with integrated payment methods.

Key requirements:
- The website should be designed for a small-scale E-commerce operation (less than 50 products).
- The payment gateways should include Credit Card payments, PayPal, and UPI.

Ideal Skills:
- Proficient in E-commerce website development.
- Experience in integrating different payment gateways.
- Familiarity with UPI payment systems would be a plus.

Your responsibilities will include:
- Developing the website from scratch or using a suitable E-commerce platform.
- Seamless integration of Credit Card payments, PayPal, and UPI.
- Testing the payment systems extensively to ensure they function properly.
- Ensuring the site is user-friendly and secure.

Please include examples of your previous E-commerce projects and payment gateway integrations in your proposal.