(USA) Principal, Software Engineer

Position Summary

The Principal Software Engineer leads platform engineering initiatives, delivering scalable, cloud-native solutions and reusable tooling that support long-term platform evolution. This role drives the full software development lifecycle across multiple teams, integrating AI/ML capabilities and ensuring high availability and fault tolerance. The position requires strategic technical leadership, mentorship, and collaboration with cross-functional stakeholders to translate business needs into actionable solutions. The engineer champions innovation, continuous improvement, and architectural excellence while maintaining accountability for quality and alignment with business objectives in a dynamic environment.

What you'll do

• Lead platform engineering efforts by delivering scalable infrastructure, reusable tooling, and cloud-native architectures aligned with strategic roadmaps.
• Drive full software development lifecycle across multiple teams, ensuring high availability, fault tolerance, and real-time data processing capabilities.
• Architect and implement AI-enhanced applications integrating multi-step reasoning agents and model-driven design principles.
• Provide technical leadership and mentorship, influencing architectural standards and promoting engineering excellence.
• Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable success metrics.
• Champion continuous improvement by adopting new technologies, optimizing processes, and fostering innovation.

About the team

The Advertising Business Systems (ABS) team, part of the Advertising Technology group, develops scalable platforms supporting Advertisers, Agencies, Partners, and internal stakeholders. The team focuses on Lead Generation, CRM, Onboarding, Business Management, Media Planning, Order Management, Billing, Insights, Generative AI, and Third Party Tools. ABS delivers intelligent solutions that enhance advertiser engagement and operational efficiency. By aligning technology with business goals, the team drives advertising revenue growth and expands platform capabilities beyond Walmart Connect. The team fosters innovation and builds trusted partnerships across Walmart’s advertising ecosystem to support continuous advancement.

What you'll bring

• Extensive experience leading platform engineering initiatives, delivering scalable cloud-native architectures and reusable tooling.
• Proven expertise in software development lifecycle management, including CI/CD, testing, monitoring, and incident response.
• Strong background in designing distributed systems optimized for real-time data processing and AI/ML integration.
• Proficiency in multiple programming languages such as Python, Java, JavaScript, Dart, Rust, and C++.
• Demonstrated ability to provide technical leadership, mentorship, and influence architectural decisions across teams.
• Skilled in applying model-driven design and leveraging AI agents to enhance development velocity and quality.
• Excellent collaboration and communication skills to engage cross-functional stakeholders and drive alignment.

About Walmart

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.

Minimum Qualifications

• Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years’ experience in software engineering or related area.
• Option 2: 7 years’ experience in software engineering or related area.

Preferred Qualifications

• Master’s degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years' experience in software engineering or related area.

Additional Information

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.

Location

Primary Location: 1345 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

Drug-Free Workplace

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.