Principal, Software Engineer

Position Summary... What you'll do... We are looking for a highly experienced, hands-on Principal Software Engineer to architect and build large-scale, cloud-native distributed systems powering Walmart’s global fulfillment operations. This role requires deep expertise in distributed systems, microservices, event-driven architecture, high-throughput APIs, and SQL/NoSQL databases . The ideal candidate has a proven track record of designing, building, and scaling mission-critical backend platforms that handle complex, asynchronous workflows with high availability, reliability, and low latency. As a Principal Engineer, you will drive technical architecture across multiple engineering teams, solve complex distributed systems challenges, and remain actively involved in design, code reviews, performance optimization, and production troubleshooting. About the Team Walmart’s Global Integrated Fulfillment (GIF) platform powers critical eCommerce fulfillment operations across Walmart stores, including order processing, picking, staging, storage, packing, and dispense. Our engineering teams build and operate a complex ecosystem of interconnected microservices, real-time APIs, and event-driven workflows that orchestrate fulfillment across multiple systems. Our technology stack includes Java, Spring Boot, Apache Kafka, Microsoft Azure, Azure SQL, Azure Cosmos DB, REST APIs, and Kubernetes . We operate highly available, business-critical systems where performance, scalability, data consiste