Staff+ Software Engineer, AI

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff+ Software Engineer, AI based in Brazil. This is a high-impact engineering role responsible for the shared AI foundation powering a growing suite of financial planning and analysis capabilities.You will shape how models are selected, routed, provided with context, connected to tools, and evaluated across the product.Your work will establish the infrastructure and engineering practices that enable multiple teams to build reliable AI features at scale.You will also ship agentic experiences end to end, from early prototypes through production optimization and continuous improvement.Because these systems support financial decision-making, quality, accuracy, observability, and measurable evaluation are critical to the role.You’ll operate with significant autonomy in a remote-first engineering environment alongside highly technical product and engineering teams.This is an ideal opportunity for a Staff+ builder who wants to define production AI infrastructure rather than focus primarily on research.