Principal, Software Engineer leads platform engineering initiatives by delivering scalable infrastructure, reusable tooling, and advanced AI/ML frameworks aligned with strategic roadmaps. This role oversees the full software development lifecycle across multiple teams, ensuring high availability and fault tolerance through cloud-native architectures. The position requires driving technical excellence, mentoring engineers, and fostering innovation while collaborating with cross-functional stakeholders to translate complex business needs into actionable solutions. The role demands sound technical judgment, adaptability to change, and a commitment to continuous improvement to support Walmart’s evolving technology landscape
About Team
The International Technology team enables Walmart's stores and eCommerce operations across the world, with platforms used in most markets where Walmart has a presence outside the US. Our Customer Engagement group focuses on building platforms responsible for acquiring current customers and re-engaging existing ones.
We own the foundational systems that drive the end-to-end shopping experience — spanning account identity & authentication, customer profiles, payments, and post order experience.
What You'll Do
Architect and deliver scalable backend systems – Lead the end-to-end design and implementation of high-throughput, low-latency Java microservices handling item catalog ingestion, validation, transformation, and offer publishing across global markets.
Drive technical strategy and engineering standards – Define and champion architectural patterns, coding standards, and best practices for the team; conduct design reviews, guide ADRs (Architecture Decision Records), and influence platform-level decisions across the Global Marketplace engineering organization.
Lead complex problem-solving across distributed systems – Own the resolution of critical production issues, performance bottlenecks, and systemic reliability