(USA) Principal, Software Engineer

Reference: R-2462139Posted: 2026-04-08Location: SUNNYVALE, CA, United StatesSalary: $143000 - $286000/yearType: Full time / Regular/PermanentCompany: WalmartBusiness Segment: Home OfficeAbout Team: Marketplace Engineering team is at the forefront of building core platforms and services to enable Walmart to deliver vast selection at competitive prices and with best-in-class customer experience by enabling third-party sellers to the marketplace platform, sell and manage their products to our customers on walmart.com . We do this by managing the entire seller lifecycle, monitoring customer experience, and deliver high- value insights to our sellers to help them plan their assortment, price, inventory. The team also actively collaborates with partner platform teams to ensure we continue to deliver the best experience to our sellers and our customers. “Please note that this position does not offer visa sponsorship. Candidates must have valid work authorization for employment in the United States at the time of hire.”What You'll Do: Provide deep technical expertise and thought leadership that helps accelerate adoption of the absolute best engineering practices, while maintaining knowledge on industry innovations, trends, and practices. Lead and participate in medium to large-scale projects by reviewing project requirements, translating requirements into technical solutions, gathering requested information, writing, and developing code, and conducting unit testing. Communicating status and issues to team members and stakeholders. Developing highly scalable services to process millions of requests per day and solve complex software systems problems by leveraging state-of-the-art technology. Gaining exposure to various technologies used in Marketplace and E-commerce platforms . Designing and developing backend microservices and APIs for web applications using JVM ecosystem (Kotlin, Java) and other languages and frameworks (Python, Go) Collaborate with project teams and cross functional teams. Troubleshoot open issues and bug-fixes, ensuring on-time delivery and hand-offs. Interact with project manager to provide e input on project plan. Troubleshoot business and production issues by gathering information (for example, issue, impact, criticality, root cause), engaging support teams to assist in the resolution of issues. Formulate action plans, performing actions as designated in the plan. Interpret the results to determine further action, perform root cause analysis to prevent future occurrence of issues and complete online documentation. Provide support to the business by responding to users' questions, concerns, and issues (for example, technical feasibility, implementation strategies) . Facilitate resolutions and lead cross-functional partnerships. Driving projects of high visibility across the organization. Leading team in designing systems and apps. Leading team projects by reviewing project requirements, translating requirements into technical solutions while gathering requested information. Leading the discovery phase of projects to produce high level design by partnering with the product management, project management, and business and user experience teams. What You'll bring:Master's in Computer Science with 10+ years of experience in architecting large scale systems with challenges of scalability and delivering sub-second latencies on 99.99% uptime. Expertise in one or more programming languages (e.g. Java, Python, etc.) Strong background in algorithms and data structures. Experience in leading teams and delivering large scale distributed systems and event-driven architectures. Proven understanding of microservices oriented architecture and extensible REST APIs Experience with cloud application development including scalable, data driven, Cloud Cost-optimization and message-oriented architecture. Understanding of SaaS or PaaS or IaaS industry with hands on experience with public or private cloud offerings (e.g., AWS, GAE, Azure) Experience using any of the automation toolset like Appium, Selenium, Jira, Rest Assured, AssetJ , Gatling, etc. or equivalent tools is a plus. Experience with CI/CD pipelines and best practices. Automated deployment experience is a plus. Advanced knowledge of performance, scalability, and system architecture with an eye toward avoiding and reducing technical debt. Practical knowledge of agile software development methodologies (e.g., XP, Scrum) Experience and fluency with relational / non-relational databases (e.g. MySQL, Oracle, Cassandra, etc.) Strong inclination towards exploring and learning new technologies. Understanding of machine learning preferred. Previous experience in the marketplace domain. 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 . 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 : - StockSummaryAs a part of Walmart Global Tech, you will build industry defining seller and customer experiences in growing the marketplace platform You will be in the unique position to bring a broader impact to the Walmart's customers and sellers by providing insights and intelligence on marketplace related transactions and provide capabilities to associates in supporting all segments of Walmart. If you are the type of person who feels a personal stake in everything that you work on, has a love for data, enjoys solving complex problems, has a passion for privacy, knows how to foster strong relationships and build trust, and works for the success of the entire team.Preferred qualifications["Master’s degree in Computer Science or related field and 4 years' experience in software engineering or related field"]Additional information(empty)