Staff Software Engineer - Marketplace

Position Summary We are seeking a Staff Software Engineer to design and build enterprise‑scale marketplace platforms supporting seller onboarding, catalog, pricing, inventory, and order management. This role is backend‑heavy, with strong expectations for Java‑based distributed systems, while also providing technical leadership for React‑based front‑end applications. You will operate as a senior technical leader, driving architecture, system design, and engineering excellence across the full stack. Candidates must be authorized to work in the U.S. No visa sponsorship is available at this time. What you’ll do Key Responsibilities Architect and develop highly scalable backend services using Java and Spring/Spring Boot Design distributed systems supporting marketplace workflows and real‑time transactions Build event‑driven architectures using Apache Kafka Develop and maintain React + TypeScript front‑end applications Define API contracts (REST / GraphQL) between front‑end and backend services Optimize systems for performance, reliability, and scalability Drive technical standards for coding, testing, CI/CD, and observability Partner with product, UX, data, and platform teams Mentor engineers and lead design and code reviews Required Qualifications 8+ years of professional software engineering experience Strong expertise in Java and backend development Experience building distributed, microservices‑based systems Hands‑on experience with Apache Kafka and event streaming Experience with React and modern front‑end development Strong knowledge of TypeScript, JavaScript (ES6+), HTML, and CSS Experience designing and consuming RESTful or GraphQL APIs Solid understanding of system design, concurrency, and data modeling Experience with SQL and NoSQL databases Preferred Qualifications Marketplace, e‑commerce, or large‑scale platform experience Experience with Big Data technologies (Spark, Hadoop, Flink) Experience with cloud platforms (AWS, GCP, or Azure) Experience with Kubernetes and Docker Experience with micro‑frontend architectures Familiarity with AI/ML integration and data‑driven systems Experience with observability tools (Prometheus, Grafana, ELK) Strong understanding of security and data privacy best practices What Success Looks Like Backend systems reliably process millions of marketplace events Front‑end applications deliver high‑performance, intuitive user experiences Systems are fault‑tolerant, scalable, and operationally mature Engineering standards meet enterprise and Walmart Global Tech expectations About Walmart Global Tech Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity experts, and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people‑led and tech‑empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail. Benefits Benefits: Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more. Equal Opportunity Employer Walmart, Inc. is an Equal Opportunity Employer – By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing unique styles, experiences, identities, ideas, and opinions – while being inclusive of all people. Location 680 West California Avenue, Sunnyvale, CA 94086-4834, United States of America The annual salary range for this position is $143,000.00 – $286,000.00. Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include stock. #J-18808-Ljbffr Walmart