(USA) Principal, Software Engineer

Walmart

Sunnyvale, CA, United StatesFull-time$143,000–$286,000Posted Oct 27, 2026

About the role

Position Summary...

What you'll do...

Role summary:

The (USA) Principal, Software Engineer leads the design and delivery of scalable platform capabilities, driving cloud-native architecture and AI/ML integration across multiple teams. This role oversees the full software development lifecycle, ensuring high availability, reliability, and performance of distributed systems. 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 while aligning efforts with long-term organizational goals and technical roadmaps.

About the team:

The Customer Engagement Services Technology team develops advanced customer service solutions impacting millions worldwide. Comprising software engineers, data scientists, and machine learning experts, the team focuses on innovative Generative AI applications within complex enterprise environments. As part of Walmart Global Tech’s Enterprise Business Systems, it collaborates closely with product, business, and UX partners to deliver measurable business value. Emphasizing scalable, secure, and maintainable software design, the team drives continuous improvement and operational excellence to support Walmart’s mission of helping customers save money and live better.

What you'll do:

Lead platform engineering efforts by delivering scalable infrastructure, reusable tooling, and AI/ML frameworks aligned with strategic roadmaps.

Drive full software development lifecycle across teams, ensuring high availability, fault tolerance, and real-time data processing.

Architect and integrate intelligent software systems using cloud-native principles and model-driven design to enhance development velocity and quality.

Provide technical leadership and mentorship, influencing architectural standards and promoting engineering excellence.

Collaborate with stakeholders to define technical requirements, measure success metrics, and ensure solutions meet business objectives.

Foster continuous improvement by identifying opportunities, adapting to change, and driving innovation across projects.

What you'll bring:

Extensive experience leading platform engineering initiatives, including shared infrastructure and scalable ML frameworks.

Proven expertise in cloud-native architecture and distributed system design for high availability and fault tolerance.

Strong proficiency in software development lifecycle management, including CI/CD, testing, and incident response.

Demonstrated ability to architect AI-enhanced applications and integrate AI agents using languages such as Python, Java, and C++.

Skilled in applying model-driven design and leveraging modern development tools to enhance quality and velocity.

Effective technical leadership and mentorship capabilities to foster engineering excellence and innovation.

Ability to collaborate across teams and communicate complex technical concepts clearly to a wide variety of 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 :

  • Stock

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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...

1395 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

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.

Responsibilities

  • Lead platform engineering and deliver scalable infrastructure, reusable tooling, and AI/ML frameworks.
  • Drive software development lifecycle practices across teams, focusing on availability, fault tolerance, and real-time data processing.
  • Architect cloud-native intelligent software systems and integrate AI capabilities.
  • Provide technical leadership and mentorship while influencing architectural standards.
  • Collaborate with stakeholders to define requirements, success metrics, and business-aligned solutions.
  • Identify opportunities for continuous improvement and innovation.

Qualifications

  • Bachelor’s degree in a relevant field and 5 years of software engineering experience, or 7 years of relevant experience.
  • Experience leading platform engineering initiatives, shared infrastructure, and scalable ML frameworks.
  • Expertise in cloud-native architecture and distributed systems designed for high availability and fault tolerance.
  • Proficiency in software development lifecycle practices, including CI/CD, testing, and incident response.
  • Experience architecting AI-enhanced applications and integrating AI agents using Python, Java, or C++.
  • Knowledge of model-driven design and modern development tools.
  • Strong technical leadership, mentorship, collaboration, and communication skills.
  • Preferred: Master’s degree in a relevant field and 3 years of software engineering experience.

Benefits

  • Medical, vision, and dental coverage
  • 401(k), stock purchase plan, and company-paid life insurance
  • Paid time off, including sick leave, parental leave, family care leave, bereavement, jury duty, and voting leave
  • Short- and long-term disability coverage
  • Company discounts
  • Military leave pay
  • Adoption and surrogacy expense reimbursement
  • Walmart-paid education through Live Better U
  • Performance-based bonuses and potential stock compensation

Skills mentioned

PythonJavaSystem DesignDistributed SystemsCloud ComputingMachine LearningGenerative AIAI AgentsCI/CDKubernetes

About Walmart

More than 60 years ago, Sam Walton opened the first Walmart in Rogers, Arkansas. Today, we’re a people-led, tech-powered omnichannel retailer dedicated to helping people save money and live better all around the world. Our 2.1 million associates are the engine behind what we do — serving customers and members in communities spanning 19 countries, in stores and clubs, online and through a supply chain built for speed and scale. We’re committed to creating clear pathways for associates to learn, grow and advance. Whether you’re starting your first job or bringing years of experience, you’ll find room to grow, learn new skills and build a career with purpose. We’re proud to invest in our people and foster a culture grounded in respect, integrity, service and striving for excellence. Recognized as a Fortune 100 Best Companies to Work For® (2025) and Great Place To Work®-Certified™ , we’re proud of what we’re building together.

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