This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Success Manager based in Brazil. This is a fully remote, full-time opportunity focused on owning the complete post-sale client experience, from onboarding through retention and long-term success. You will manage a portfolio of approximately 20–30 active clients, building trusted relationships with founders and executive stakeholders. The role combines client success, cold email campaign strategy, operational problem-solving, and technical troubleshooting. You will diagnose campaign performance, improve deliverability, optimize messaging, and proactively address risks that could affect client satisfaction. You will also help create scalable processes, documentation, playbooks, and operational standards as the business grows. Working closely with developers, outreach specialists, and senior leadership, you will have significant autonomy and ownership over client outcomes. This role is ideal for someone who thrives in fast-moving startup environments and enjoys turning complex challenges into measurable results.