PayPal Payment Integration for E-commerce

I'm looking for a skilled developer with experience in PayPal integrations for a new E-commerce site. This is a crucial aspect of the site, so I need someone with a proven track record in the field.

Key Requirements:
- Integrate PayPal as the primary payment gateway
- Support for multiple currencies is a must

Ideal Skills and Experience:
- Proven experience with PayPal integrations
- Familiarity with the e-commerce domain
- Strong understanding of currency conversion and international transactions.

Please provide examples of similar projects in your proposal, and detail your approach and past results with PayPal integrations.