This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Medical Writer based in Brazil. This is a fully remote opportunity for an experienced medical writer to contribute to clinical development and regulatory submission projects.You will critically evaluate scientific literature and clinical data to produce accurate, scientifically rigorous documentation.The role covers a broad portfolio of clinical and regulatory documents, from protocols and investigator brochures to clinical study reports and integrated summaries.You will work closely with clients and multidisciplinary project teams, taking ownership of assignments from planning through delivery.The position offers significant exposure to regulatory writing standards, clinical research, and complex submission requirements.You will also have opportunities to guide other writers and contribute to improving writing processes and project delivery.It is an ideal environment for a detail-oriented scientific professional who combines strong writing expertise with project leadership and client-facing skills.