Staff Software Engineer

1345 Crossman Ave Sunnyvale, CA 94089-1114 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 available now or in the future. 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 Benefits Competitive pay and performance‑based bonus awards Medical, vision and dental coverage 401(k) with company match, stock purchase program Paid time off including PTO, parental leave, family care leave, bereavement, jury duty, and voting Short‑term and long‑term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement Live Better U education benefit program covering tuition, books, and certificates Training and leadership programs, career growth opportunities Minimum Qualifications Bachelor's degree in computer science, engineering or related area and at least 4 years of software engineering experience. or 6 years of software engineering experience. Preferred Qualifications (Education) Master’s degree in Computer Science or related area and at least 2 years of software engineering experience. Experience in creating inclusive digital experiences with knowledge of Web Content Accessibility Guidelines (WCAG) 2.2 AA. Primary Location 1345 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America Trending Roles Staff, Software Engineer – Sunnyvale, CA 94089-4731 Staff, Software Engineer – Sunnyvale, CA 94089-4731 Staff, Software Engineer – Sunnyvale, CA 94089-4731 #J-18808-Ljbffr Walmart