AI Engineer (Senior)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an AI Engineer (Senior) based in Brazil. We are looking for a Senior AI Engineer to design, build, and deploy advanced AI-powered applications for a major US financial services client. In this role, you will develop an intelligent solution that extracts business and technical requirements from legacy codebases and documentation, helping accelerate complex system modernization. You will take end-to-end ownership of the solution, from architecture and data pipelines to production-ready applications. Working with Python, React, LLMs, RAG architectures, and multi-agent systems, you will leverage cutting-edge AI technologies to solve real-world business challenges. You will operate within an agentic Software Development Life Cycle (SDLC), using AI as a core driver of engineering and delivery. This position also offers the opportunity to provide technical leadership, mentor engineers, and contribute to innovative AI engineering practices in an international environment.