Tonder Payment Processor

Led the development of Tonder's Payment Processing Platform, a robust payment solution operating across five Latin American countries (Mexico, Colombia, Chile, Peru, and Brazil). This comprehensive system handles the complete payment lifecycle while ensuring high security standards and optimal authorization rates.

Key achievements:

• Architected a scalable payment processing infrastructure that handles multiple payment flows including one-time payments, recurring billing, and marketplace transactions

• Implemented advanced security features including:

  • PCI-compliant tokenization system for secure card data handling

  • 3D Secure (3DS) authentication with smart routing for optimal authorization rates

  • Encrypted card storage enabling one-click payments while maintaining strict security standards

• Developed real-time transaction monitoring with instant status updates across the entire payment lifecycle

  • Built sophisticated retry logic for failed transactions

  • Implemented automated reconciliation with acquirer systems

  • Created instant notification systems for payment status changes

• Engineered country-specific payment optimizations:

  • Local acquirer integrations for improved acceptance rates

  • Country-specific payment method support (PIX, PSE, SPEI)

  • Currency handling and dynamic conversion

• Designed a flexible API that enables easy integration while maintaining robust security controls