Open to opportunities

Caio Sampaio

@caiosampaio

Message

I build and certify card issuing and real-time payment processing platforms.

Brazil

Message

What I'm looking for

I'm open to remote international opportunities where I can lead or contribute to card issuing, payment processing, network certification, and mission-critical transaction platforms.

At NovoPayment, I work on card issuing and payment processing platforms, supporting issuer authorization, real-time transactions, and certifications with Visa, Mastercard, Credibanco, Redeban, GlobalNet, and closed-loop networks.

I've led payment consulting and engineering teams at ASAP, translating network requirements into technical solutions across Go microservices, AWS, Kubernetes, PostgreSQL, RabbitMQ, Redis, Datadog, and OpenTelemetry. I enjoy investigating complex transaction behavior, improving observability, and taking payment products from requirements and integration through certification and production support.

Experience

Work history, roles, and key accomplishments

Current

Payments Technology Specialist / Tech Lead

Current

NovoPayment

Oct 2025 - Present (11 months)

Working on payment processing and card issuing platforms, with direct involvement in issuer authorization, card network connectivity, processor certification, and real-time financial transaction processing. Collaborated directly in the certification of the NovoPayment processing platform with major payment schemes and networks, including Visa, Mastercard, Credibanco, Redeban, GlobalNet, and other

ASAP Payments Consultant & Team Manager

ASAP

Jun 2022 - Oct 2025 (3 years 4 months)

Led consulting initiatives for mission-critical issuer authorization and payment processing platforms, and managed engineering professionals providing direction, prioritization, and technical support. Acted as a technical reference for card issuing, payment authorization, transaction processing, and card network certifications.