Principal Software Engineer

Position Summary...

What you'll do...

Role summary:
The (USA) Principal, Software Engineer leads the design and delivery of scalable platform capabilities, including cloud-native architectures and AI/ML frameworks, to support Walmart’s evolving technology roadmap. This role drives full lifecycle software development across multiple teams, ensuring high availability, reliability, and performance. The position requires strategic technical leadership, mentorship, and collaboration with cross-functional stakeholders to translate complex business needs into effective solutions. The Principal Engineer champions innovation, continuous improvement, and adherence to best practices, fostering engineering excellence that advances Walmart’s technology vision and operational goals.
About the team:
The Reliability Engineering Platform team develops and maintains enterprise-scale systems that enhance operational reliability and efficiency across Walmart’s technology infrastructure. Focusing on distributed systems, observability, and resiliency automation, the team delivers scalable solutions that reduce systemic risk and provide real-time insights across microservices and multi-region Kubernetes clusters. Team members collaborate to design, implement, and support robust platforms using advanced engineering practices and continuous development. Their work ensures high availability and performance of critical systems, supporting Walmart’s commitment to operational excellence and innovation in technology delivery.
What you'll do:

• Lead platform engineering efforts to deliver scalable, cloud-native infrastructure and reusable tooling aligned with strategic roadmaps.
• Drive full software development lifecycle activities including design, coding, testing, deployment, and maintenance across multiple teams.
• Architect and implement distributed systems optimized for real-time data processing and AI/ML integration.
• Provide technical leadership and mentorship to engineering teams, promoting best practices and architectural consistency.
• Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable success metrics.
• Maintain architectural decision records to ensure transparency and alignment.
• Foster continuous improvement through innovation, knowledge sharing, and adoption of emerging technologies.

What you'll bring:

• Extensive experience in platform engineering leadership, delivering scalable and reusable infrastructure solutions.
• Proficiency in cloud-native architecture and distributed system design ensuring high availability and fault tolerance.
• Strong technical expertise in AI/ML integration, software development lifecycle, and continuous integration/deployment practices.
• Demonstrated ability to lead technical execution, including coding, testing, monitoring, and incident response.
• Skilled in applying model-driven design and leveraging modern development tools to enhance productivity.
• Proven leadership in mentoring engineers and influencing architectural decisions across teams.
• Excellent collaboration and communication skills with cross-functional stakeholders.

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.