(USA) Principal, Software Engineer

Position Summary...

What you'll do...Role summary:
As a Principal Software Engineer at Walmart, you will lead platform engineering initiatives by delivering scalable, cloud-native solutions and reusable infrastructure components. This role involves driving the full software development lifecycle across multiple teams, integrating AI/ML technologies, and ensuring high availability and fault tolerance. You will provide strategic technical leadership, mentor engineering teams, and collaborate with cross-functional partners to translate complex business needs into effective technical solutions. Your expertise will support Walmart’s long-term platform evolution while fostering innovation, operational excellence, and continuous improvement.
About the team:
The Unified Recommendations Platform (URP) team drives the development of a scalable, integrated platform that enhances recommendation systems across Walmart Ads. The team focuses on designing and implementing cloud-native, distributed systems supporting real-time data processing and AI integration. Emphasizing technical excellence and innovation, URP delivers reliable, high-quality software solutions. Team members collaborate closely to shape platform architecture and advance foundational capabilities. Joining URP provides the opportunity to influence platform evolution and contribute impactful engineering solutions that serve millions of users across the organization.
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 activities, including design, testing, deployment, and maintenance across multiple teams.
• Architect and implement AI-enhanced applications and intelligent systems supporting millions of users.
• Provide technical leadership and mentorship, influencing architectural standards and fostering engineering excellence.
• Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable outcomes.
• Ensure high-quality deliverables through sound technical judgment and proactive issue resolution.
• Promote continuous improvement by adopting innovative tools and practices to enhance system performance and reliability.

What you'll bring:

• Extensive experience in platform engineering leadership, delivering scalable, cloud-native architectures and reusable tooling.
• Proven ability to lead full software development lifecycle including coding, testing, CI/CD deployment, and incident response.
• Strong expertise in AI/ML integration and building intelligent software systems using languages such as Python, Java .
• Hands-on experience  building  data pipelines, data processing workflows, and distributed systems to support high-volume recommendation.
• Skilled in applying model-driven design and cloud computing architecture principles to enhance system reliability and performance.
• Demonstrated technical leadership and mentorship capabilities fostering engineering excellence and innovation.
• Effective collaboration and communication skills with cross-functional teams and stakeholders.
• Commitment to continuous improvement, technical ownership, sound architectural decision-making.

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 :
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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no 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...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no 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., 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.

Primary Location...

1345 Crossman Ave, Sunnyvale, CA 94089-1114, United States of AmericaWalmart 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.