I'm seeking an experienced developer to create a bilingual crowdfunding platform for Angola, supporting Portuguese and English. The platform will host a variety of campaigns, including: - Charity - Business startups - Creative projects Essential features are: - User authentication & profiles - Payment gateway integration - Campaign progress tracking Ideal skills and experience: - Proficiency in both Portuguese and English - Experience in developing crowdfunding platforms - Strong background in payment gateway integration - Expertise in user authentication systems Please provide examples of similar work.