Principal Architect – Legacy Modernization (AWS)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Architect – Legacy Modernization (AWS) based in Brazil. We are looking for a Principal Architect to lead a strategic, high-impact modernization initiative, migrating legacy Mainframe systems to the AWS cloud. You will serve as the primary technical authority and trusted advisor, shaping architectures that deliver scalability, security, and operational efficiency. A key part of the role will be integrating generative AI tools and intelligent agents into the software development lifecycle to accelerate refactoring, testing, and delivery. Combining hands-on technical leadership with strategic vision, you will guide engineering teams, manage architectural risks, and engage with senior business and technology stakeholders. You will also contribute to technical proposals and pre-sales activities, helping drive project growth and innovation. The position is remote; however, professionals residing in the Campinas metropolitan area are required to attend the local offices in accordance with the applicable attendance policy.