This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff AI based in Brazil. This is a senior technical leadership role focused on building and scaling AI-first products in a fast-moving technology environment.You will serve as a key technical reference for Artificial Intelligence, combining hands-on engineering with product and business strategy.The role spans the full AI lifecycle, from experimentation and architecture through production deployment and continuous improvement.You will shape AI roadmaps, evaluate emerging technologies, and make high-impact decisions around models, infrastructure, and build-versus-buy strategies.Working closely with Product, Design, Engineering, and business stakeholders, you will bring intelligence into products used at significant scale.You will also establish AI Engineering standards, mentor engineers, and help advance responsible AI practices across the organization.This is an opportunity to influence both the technical direction and long-term evolution of AI initiatives while operating with significant autonomy and impact.