This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Especialista de TI - Protheus based in Brazil. This is a remote opportunity for a senior technology professional to become a key technical reference within a Corporate Systems team. The role focuses on the implementation, development, support, and optimization of TOTVS Protheus environments. You will work across the Billing and Finance modules, translating business requirements into reliable technical solutions. The position combines hands-on development in AdvPL and TL++ with API integration, SQL optimization, and cloud environment management. You will collaborate closely with process analysts and other stakeholders on critical financial and fiscal workflows. The environment values autonomy, collaboration, flexibility, continuous learning, and technical excellence. It is an opportunity to have a direct impact on the stability, scalability, security, and efficiency of essential business systems.