Principal Engineer – GenAI Platform

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Engineer – GenAI Platform based in Brazil. Take a leading technical role in shaping and delivering enterprise-scale Generative AI solutions within a global technology environment. As a Principal Engineer, you will define the architecture, engineering standards, and governance practices that enable teams to build reliable, secure, and scalable AI applications. You will work across advanced technologies such as Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), AI Agents, and model routing strategies. Partnering with product, engineering, and business stakeholders, you will turn complex requirements into production-ready solutions with measurable impact. You will also establish reusable frameworks, promote Responsible AI practices, and guide multidisciplinary teams through technical decisions. This is an opportunity to influence enterprise AI strategy while serving as a trusted technical leader and mentor.