Staff, Software Engineer

Wal-Mart-posted about 1 month ago

Full-time • Mid Level

Onsite • Sunnyvale, CA

5,001-10,000 employees

General Merchandise Retailers

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As a Staff Engineer in Fraud Technology, you will play a pivotal role in shaping and executing the technical strategy across Engineering, Platform, and Tools teams. You'll contribute to the design and development of scalable fraud detection systems, integrating model infrastructure, fraud APIs, internal tools, and platforms. Your work will directly support a modern fraud ecosystem that is resilient, efficient, and built for innovation. This role requires strong technical leadership, hands-on engineering expertise, and a collaborative mindset to drive impactful solutions across teams.

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 Splunk 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.

8+ years of proven expertise in designing and building scalable RESTful APIs using Java, Spring, Hibernate, and Tomcat, with a focus on performance and fault tolerance.
Hands-on experience migrating backend services and databases from Oracle DB to Azure Cosmos DB, including reactive programming for change feed handling.
Strong proficiency in Kafka for backend system communication and in CI/CD tools like Jenkins and Git for streamlined development workflows.
Deep understanding of automated testing frameworks including Selenium, JUnit, TestNG, Mocha, and Chai, with a commitment to achieving 100% code coverage.
Skilled in performance monitoring and debugging using Splunk and JMeter, and in maintaining code quality through tools like SonarQube.
Collaborative mindset with experience in Agile SDLC, sprint planning, and stakeholder demos, ensuring alignment with business goals and timely delivery.

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.

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.
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.

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