Walmart's People.AI team is seeking a Principal Software Engineer to drive observability, automation, and scalability for AI and GenAI solutions. The role focuses on enhancing the People function with AI solutions to improve productivity and foster a culture of belonging. The team develops Retrieval-Augmented Generation systems, agentic systems for HR automation, and text-to-SQL capabilities. The position requires expertise in ML engineering, Python, cloud platforms, and distributed systems. The successful candidate will lead architecture design, implement MLOps practices, and collaborate with cross-functional teams to deliver robust AI solutions. Located in Bentonville, AR, this role offers competitive compensation ($110K-$220K) plus benefits and the opportunity to impact millions of users while working with cutting-edge AI technology. The position combines technical leadership with hands-on development in a team dedicated to enhancing Walmart's associate experience through AI innovation.