Position Summary...What you'll do...Role summary: As a Principal Software Engineer, you will lead the design and delivery of scalable platform capabilities, driving technical excellence across multiple teams. This role requires expertise in cloud-native architecture, distributed systems, and AI/ML integration to build intelligent, high-availability solutions. You will guide the full software development lifecycle, mentor engineers, and influence architectural decisions to ensure alignment with strategic goals. Collaborating with cross-functional partners, you will translate complex business needs into actionable technical plans, fostering innovation and continuous improvement while maintaining rigorous quality and operational standards. About the team: Walmart Fulfillment Services WFS Technology delivers scalable fulfillment solutions integrating transportation, inventory, warehouse operations, billing, and delivery for third-party sellers. The team bridges Marketplace and Walmart’s supply chain by collaborating with Product, Business, Operations, Supply Chain, and Transportation partners. Combining the agility of a growth business with the scale of a global retailer, the team drives innovation and expands fulfillment capabilities into new models and international markets. Focused on technical excellence and cross-functional collaboration, the team develops impactful solutions that enhance seller fulfillment and support business growth. What you'll do: Be a deeply hands-on technical leader, write production-quality code, build automated tests, and take implementations all the way through production deployment.Lead platform engineering efforts to deliver scalable, cloud-native infrastructure and reusable tooling aligned with strategic roadmaps.Drive full software develo