Staff, Software Engineer

Walmart • Sunnyvale, CA

44d • Onsite

About The Position

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. 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.

Requirements

• 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.
• Integrate services with cloud platforms including Azure and GCP.
• Build and manage CI/CD pipelines using: Jenkins Maven
• Manage code using GitHub and project tools including: Jira Kanban Confluence
• Monitor applications using Splunk and Grafana.
• Bachelor’s Degree in Computer Science or related field + 14 years experience, or Master’s Degree in Computer Science or related field + 12 years experience
• Experience building large-scale distributed systems
• Strong frontend expertise with: JavaScript HTML5 CSS3 ReactJS / Redux Angular
• Experience with NodeJS and GraphQL
• Experience developing reusable React components
• Strong programming experience in Java or Scala
• Experience building microservices architecture
• Experience using Spring Boot
• Experience with event streaming systems (Kafka, JMS)
• Experience with SQL / NoSQL databases
• Experience with cloud platforms (Azure, GCP)
• Strong problem-solving, analytical, and communication skills.

Nice To Haves

• Experience with scripting languages such as Python, Shell, or Perl
• Experience with big data technologies: Hadoop Hive Spark
• Experience with production system monitoring and operations
• Strong analytical skills for system design and optimization
• Ability to thrive in a fast-paced, startup-like engineering environment
• Passion for innovation and continuous learning
• 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.

Responsibilities

• 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.

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level