Principal Software Engineer Full Stack / AI-First

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Software Engineer Full Stack / AI-First based in the United States. This is a unique opportunity for a highly experienced software engineer to work at the forefront of AI-enabled software development while maintaining a strong foundation in traditional engineering excellence. The role focuses on designing and delivering scalable, enterprise-grade systems across frontend, backend, cloud, and infrastructure layers. You will drive architectural decisions, define technical specifications, and leverage AI tools to accelerate development without compromising quality or reliability. Working in a collaborative and high-performing environment, you will help shape engineering practices, mentor teams, and influence how AI is integrated into modern software delivery. This position is ideal for engineers who enjoy system-level thinking, technical leadership, and building innovative solutions with significant organizational impact.