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Principal Software Engineer - Card Payments

PPRO - Sao Paulo, Brazil - In-office - posted 2026-08-20

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PPRO is a global payments platform enabling major companies like PayPal, Stripe, and Microsoft to access local payment methods and connect with billions of consumers worldwide. The company operates across 50+ nationalities in 10+ locations and is targeting 3x growth by 2028. The Card Payments team owns end-to-end engineering for payment processing, managing over 50 brands across Latin America and Europe. The team handles 3DS authentication, scheme connections, real-time accounting, reconciliation, and billing systems. As Principal Software Engineer, you will be a technical leader driving PPRO's most significant architectural and strategic decisions. You'll solve complex technical problems, lead architectural choices, and mentor fellow engineers while remaining hands-on with coding. Your scope includes shaping the technical strategy and system landscape for the Card Payments domain, with particular focus on LatAm product innovation. Key responsibilities include: - Driving architectural decisions for card payment systems and infrastructure - Mentoring and developing engineering talent across the team - Solving complex technical challenges in payments, authentication, and reconciliation - Contributing hands-on code alongside the team - Collaborating cross-functionally to deliver innovative payment solutions - Building foundations for real-time accounting and billing systems The role emphasizes autonomy, end-to-end ownership, continuous learning, and a people-first culture. You'll work in a high-trust environment where you can make a measurable impact on global commerce infrastructure.

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