Sr Software Engineer – Machine Learning

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr Software Engineer – Machine Learning based in Brazil. This is a senior engineering opportunity focused on building production-grade machine learning and AI infrastructure at scale. You will work across distributed data pipelines, ML systems, AI agents, deployment, and observability. The role covers the full lifecycle of intelligent systems, from data ingestion and experimentation through production and monitoring. You will have significant technical ownership and contribute to architectures designed for reliability, scalability, and performance. The environment is highly technical, fast-moving, and oriented toward turning prototypes into robust production solutions. You will collaborate with product and customer-facing teams to translate complex technical challenges into impactful solutions. This role is ideal for an engineer who enjoys solving large-scale problems and working close to the core of AI/ML technology.