Staff, Software Engineer

Job Description

Position Summary... As a Staff Software Engineer (Full Stack), you will develop high-performance, scalable applications supporting next-generation Supply Chain platforms, specifically Walmart Fulfillment Services (WFS). WFS enables third-party sellers to leverage Walmart’s supply chain infrastructure to fulfill customer orders placed on Walmart.com. The platform is built on a microservices-based, event-driven architecture running in the public cloud and includes modern technologies across backend services, middleware, and a React-based frontend. We are looking for curious, innovative engineers who are passionate about building scalable technology and solving complex distributed systems problems. What you'll do... Note: This role is based in Sunnyvale, CA and requires onsite presence three days per week . Visa sponsorship is not available for this position now or in the future. What You'll Do Demonstrate expertise in software engineering best practices and contribute to the development and improvement of engineering processes. Lead medium to large-scale engineering projects from design through deployment. Collaborate with architects, product managers, and engineering teams to design and build scalable products. Design and implement highly scalable and fault-tolerant systems . Deliver high-quality technical designs and production-ready code in an Agile/Scrum environment . Build applications that meet performance, throughput, and SLA requirements . Implement unit tests, code reviews, and documentation . Manage CI/CD pipelines and deployment processes across development, QA, and production environments. Maintain production stability and monitoring , ensuring high system availability. Troubleshoot production and business issues , perform root cause analysis, and implement fixes. Support business teams with investigation and analysis requests . Contribute to and leverage open-source technologies . Apply an AI-first development approach , leveraging AI tools and agents to accelerate development and automation. Utilize agentic AI platforms for workflow automation, API orchestration, and enterprise integrations. What You'll Bring Technical Responsibilities Design and develop highly scalable distributed systems . Build microservices-based backend services using Java and Spring Boot . Develop modern frontend applications using: ReactJS React Hooks NextJS JavaScript / TypeScript HTML / CSS Build reusable, dynamic UI components . Implement responsive and high-performance web applications . Apply modern design patterns and frameworks including: Redux RxJS Observables Event handling Implement automated testing frameworks using: Jest TestCafe Mock Service Worker Optimize frontend performance using tools like: Chrome DevTools Lighthouse Work with SQL and NoSQL databases , including: Oracle Cosmos DB ElasticSearch Cassandra Solr Integrate applications using event streaming platforms such as: Kafka JMS Optimize application performance across CPU and memory usage. I

Required Skills