We are leading the development of a next-generation fintech platform designed to revolutionize cross-border money transfers through WhatsApp, enabling both fiat and cryptocurrency transactions. Our team architected a highly scalable and secure backend using NestJS and integrated blockchain technology through Circle to ensure fast, transparent, and low-cost transactions. Leveraging AWS ECS for cloud infrastructure, we implemented a robust CI/CD pipeline with Jenkins to automate deployments. Twilio integration provides seamless WhatsApp communication, while our custom-built admin dashboard in React and Redux offers advanced management capabilities. The platform is tailored to serve international users with multi-currency capabilities, anti-fraud mechanisms, and a frictionless customer experience that simplifies the entire remittance process.