[Job-31965] Principal FDE

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy. We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day. About the Role We are looking for a Principal Forward Deployed Engineer (FDE) to lead complex system modernization initiatives, combining deep architecture and technical leadership expertise with modern AI-assisted engineering practices. In this role, you will take ownership of modernization missions from initial scope through technical execution, working closely with engineering teams and client stakeholders to understand legacy environments, define transition architectures, and drive the evolution of complex systems. You will combine strategic architectural thinking with hands-on technical involvement, using AI-assisted development and analysis techniques to accelerate reverse engineering, documentation, testing, and modernization activities. Responsibilities Lead the technical direction of complex legacy system modernization initiatives, from initial assessment through transition and implementation. Analyze existing applications, architectures, depende