This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior GenAI Engineer based in Mexico. This role offers the opportunity to engineer and operate production-grade generative AI systems used by real customers. You will take LLM-powered capabilities from initial concept through development, deployment, monitoring, and continuous improvement. The position combines backend engineering with agentic AI, retrieval-augmented generation, evaluation, and production observability. You will work hands-on with technologies such as LangGraph, Azure OpenAI, Gemini, Claude, and modern cloud services. A major focus will be ensuring high answer quality while optimizing latency, reliability, and infrastructure costs. You will join a technically ambitious environment where your decisions can directly influence how AI-powered products are designed and operated at scale.