This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a SW Engineer, Authorizations based in Brazil. This role offers the opportunity to build and evolve highly scalable software within the critical layer of real-time payment authorization.You will work on systems that process and validate financial transactions while meeting demanding requirements for security, reliability, and performance.The position involves designing resilient services, orchestration layers, and APIs within a modern microservices and distributed architecture.You will collaborate closely with Product, QA, DevOps, and other engineering teams to deliver impactful technical solutions.The environment emphasizes engineering excellence, automated testing, observability, documentation, and continuous improvement.You will have the opportunity to contribute to architecture decisions while strengthening your expertise in cloud, event-driven systems, and high-availability platforms.This is a fully remote opportunity for an engineer who enjoys solving complex technical challenges at scale.