Position Summary... What you'll do... Role summary: As a Staff Software Engineer on the Marketplace Platform team, you will lead the design and maintenance of frameworks that enhance Walmart’s Marketplace for sellers and channel partners. You’ll code, debug, optimize, and monitor application health to ensure reliable performance. You’ll mentor junior engineers and collaborate with product and UX/UI teams to deliver seamless integrations. You will also help manage the Walmart Marketplace Platform API, enabling third-party sellers to leverage Solution Partner services effectively. This growing business area offers strong opportunities for innovation, impact, and career growth in a dynamic, collaborative environment. About the team: Join the Walmart Marketplace Platform team, where innovation and technology drive impactful solutions. The team focuses on enhancing Seller and Channel Partner Portal experiences and managing a sophisticated Marketplace API gateway. Utilizing a tech stack that includes Java for backend services and ReactJS for frontend development, the team delivers scalable, resilient, and efficient platform capabilities. Members collaborate on software design, API development, and cloud-native architecture, fostering continuous improvement and technical excellence. This environment offers opportunities for growth, cross-functional collaboration, and contributing to advanced platform engineering initiatives that support business goals and customer success. What you'll do: • Spend most time hands-on coding across frontend/backend; review code, debug, and optimize to uphold best practices. • Build responsive UIs with JavaScript, HTML/CSS, React, and Webpack; ensure consistent, seamless UX. • Develop scalable backend services using Java, Spring Boot, Kubernetes, and microservices; integrate smoothly with the frontend. • Mentor teammates and promote continuous learning and knowledge sharing. • Drive architecture/design decisions; stay current on emerging tech; maintain clear documentation. • Collaborate cross-functionally to improve user experience and integrations. • Own app health: monitoring, quality, performance, and proactive issue resolution. • Lead innovation/tech initiatives; champion new tools and approaches. • Plan/manage tasks and timelines to deliver high-quality work on schedule. • Provide technical leadership; coordinate execution across teams. What you'll bring: • Frontend experience with JavaScript, HTML, CSS, React, and Webpack • Deep understanding of RESTful APIs, system design, and microservices architecture • Java backend experience, including extensive Spring Boot • Proficient with Git and CI/CD pipelines • Familiar with containerization and Kubernetes • Experience with SQL and NoSQL databases, plus caching solutions • Experience on platform teams or building shared tools/frameworks for developers • Proven ability to write clean, testable, maintainable code • Cloud-native experience (GCP/Azure) and DevOps practices • Strong analytical and problem-solving skills • Excellent verbal and written communication skills • Demonstrated leadership: leading projects and mentoring junior engineers • Experience in e-commerce or marketplace platforms • Open-source contributions or internal platform evangelism a plus At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see https://one.walmart.com/notices . Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility, see One.Walmart . 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 ㅤ ㅤ ㅤ ㅤ ‎ Minimum Qualifications... Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications. Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years’ experience in software engineering or related area. Option 2: 6 years’ experience in software engineering or related area. Preferred Qualifications... Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications. Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 2 years' experience in software engineering or related area, We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture. Primary Location... 1375 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.