Senior Support Engineer (Authorizations Processing)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Support Engineer (Authorizations Processing) based in Brazil. This is a senior technical support role focused on payments, authorization flows, transaction processing, and card lifecycle operations.You will support enterprise clients while working closely with Engineering and Technical Account Management teams.The role combines complex troubleshooting, incident management, system analysis, and platform reliability improvements.You will investigate transaction-level behavior across high-volume, real-time distributed systems and identify root causes.You will also contribute to automation, internal tooling, and AI-driven solutions that make support operations faster and more effective.As a technical bridge between clients and engineering teams, your work will directly influence resolution speed, service quality, and platform stability.This is a fully remote opportunity for an experienced engineer who enjoys solving complex technical problems and driving continuous improvement.