Senior AI Engineer, Agents
WhyHireWrong? · São Paulo, São Paulo, Brazil
**About The Company** A healthtech company building AI systems that work inside clinical workflows, supporting healthcare providers across Latin America. **About The Role** This role exists to take the company's production clinical AI agents further. The person in this role will design clinical ontologies, fine\-tune small language models, and build evaluation frameworks that catch failure modes standard metrics miss. This is an individual contributor role, not a path toward management. **Responsibilities** * Design and maintain clinical ontologies used by production AI agents * Train, fine\-tune and distill language models end to end for clinical use cases * Build and maintain evaluation frameworks that go beyond standard metrics to identify failure modes * Ship and maintain AI agents and LLM based systems in production * Apply context engineering methods, including RAG, vector stores and knowledge graphs, to improve agent performance **Requirements** * Based in Latin America * Experience shipping and maintaining AI agents or LLM based systems in production * Hands on experience training, fine\-tuning or distilling models end to end * Strong Python programming skills * Experience with context engineering, including RAG, vector stores and knowledge graphs * A track record of shipping production systems; a background limited to academic or research work does not meet this requirement * Not currently in a management, director or VP role