This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Cientista de Dados Sênior based in Brazil. This is an opportunity to join a multidisciplinary team working on challenging data science and AI projects with real-world industrial impact.You will play a key role in keeping Machine Learning and Deep Learning solutions reliable, accurate, and effective in production.The position combines model monitoring, incident resolution, performance analysis, and continuous improvement.You will work across the full model lifecycle, from deployment and versioning to operational support and optimization.The environment values collaboration, technical excellence, documentation, governance, and knowledge sharing.You will also contribute to the evolution of AI architecture and production practices in a technology-driven organization.The role is particularly suited to someone motivated by innovation, sustainability, and building solutions that improve industrial efficiency.