Staff, Software Engineer

Walmart•Sunnyvale, CA

23h•Hybrid

About The Position

Walmart is seeking a Staff Software Engineer (Backend) to join the Walmart+ team, focusing on foundational technologies and enterprise inventory systems. This is a hands-on role that demands strong coding expertise, a commitment to engineering excellence, and the capability to mentor and guide a large team of engineers. The successful candidate will be instrumental in shaping and maintaining the technical architecture, ensuring it aligns with business objectives while meeting scalability and cost-efficiency requirements. The Member Care & Account Management team, a part of Walmart Global Tech, is dedicated to transforming customer service by empowering associates, stores, and merchants through advanced technology. This team delivers dynamic, high-impact experiences that highlight the full value of Walmart+, leveraging platforms and data solutions powered by machine learning and personalization to provide smarter, faster, and more tailored customer experiences.

Requirements

10+ years of experience in the design and development of highly scalable distributed applications and platforms - particularly for multi-tenant, SaaS products.
Experience building a 'Code, Deploy, run' pipeline using DevOps best practices by leveraging the best available CI/CD tools.
Experience with Kafka and messaging methodologies.
Strong computer science fundamentals: data structures, algorithms, and design patterns.
Ability to balance the long-term 'big picture' and short-term implications of design decisions (Own Tech Debt/Tech Modernization).
Proficiency in Java/J2EE, Microservices, and Cloud Native Architecture.
Hands-on experience in Microservices, and RESTful web services development in Java SpringBoot, Spring Kafka or equivalent framework).
In-depth knowledge of Cloud Native Architecture, Microservice Architecture, and related stacks (Service Registry, ELK / Splunk, service registry, VMs, etc.) and container technologies (Docker, Kubernetes, etc.).
Knowledge of at least one of Azure/Google Cloud Platforms.
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 OR 6 years’ experience in software engineering or related area.

Nice To Haves

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.
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.
Knowledge of accessibility best practices and joining Walmart to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Responsibilities

Design, build and maintain REST API services using technologies such as Java, Spring, Hibernate, Tomcat and data stores to enable user interaction with large volume datasets.
Build highly scalable, low latency, fault-tolerant, and high-performance architecture solutions for customer facing web and mobile applications.
Participate in software development life cycle (SDLC) phases including sprint planning, estimating, design, development, testing, and deployment within an Agile development environment.
Build customer facing software application features and platform libraries.
Engage in End-to-End Migration of back-end services and database platform from Oracle DB to Azure Cosmos DB.
Leverage Reactive and Adaptive programming to handle change feeds from Azure Cosmos DB by creating robust reactive listeners and stored procedures.
Build data communication between back-end systems using Kafka.
Develop Unit and Automation Testing Frameworks, Test Suites, and Stubs/Mocks using Selenium, Mockito, JUnit, TestNG, Mocha, and Chai to thoroughly test the software applications for all possible positive and negative use case scenarios and achieve 100% code coverage.
Troubleshooting open issues and bug-fixes.
Enhancing design to prevent re-occurrence of defects.
Use JIRA for Defect Reporting and Tracking.
Run SonarQube on applications to measure continuous code quality by reporting code smells and vulnerabilities.
Use Git Version Control System for coordinating work with the team.
Integrate applications with Jenkins to set up Continuous Integration and Continuous Delivery Environments (CI/CD).
Work on dashboard/queries to monitor application and system health and debug production issues.
Use JMeter to load test software functional behavior and measure performance.
Provide required Demos to Business stakeholders on software features and take required feedback for improvements.
Provide inputs to relevant stakeholders for creation of project plans and ensure adherence to the project against approved milestones and timelines.

Benefits

Incentive awards for performance
401(k) match
Stock purchase plan
Paid maternity and parental leave
PTO (including sick leave)
Multiple health plans (medical, vision and dental coverage)
Company-paid life insurance
Family care leave
Bereavement
Jury duty
Voting leave
Short-term and long-term disability
Company discounts
Military Leave Pay
Adoption and surrogacy expense reimbursement
Walmart-paid education benefit program (Live Better U) for full-time and part-time associates covering tuition, books, and fees for high school completion to bachelor's degrees, including English Language Learning and short-form certificates
Performance-based bonus awards
Stock