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:

As a Principal Software Engineer, you will lead the design and delivery of scalable platform capabilities, driving technical excellence across multiple teams. This role involves architecting cloud-native, distributed systems with AI/ML integration, overseeing the full software development lifecycle, and ensuring alignment with strategic roadmaps. You will provide technical leadership, mentor engineers, and foster innovation while collaborating with cross-functional partners to translate complex business needs into effective solutions. Your expertise will support the evolution of robust, high-availability systems that serve millions, advancing Walmart’s technology vision and operational goals.

About the team:

The Customer Engagement Services Technology team develops advanced customer service solutions impacting millions globally. It includes software engineers, data scientists, and machine learning experts focused on innovative Generative AI applications within complex enterprise environments. As part of Walmart Global Tech’s Enterprise Business Systems, the team 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 to deliver scalable, cloud-native infrastructure and reusable tooling aligned with strategic roadmaps.

Drive full software development lifecycle management, 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 promoting engineering excellence.

Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable success metrics.

Ensure high availability, fault tolerance, and system interoperability through sound architectural decisions.

Foster continuous improvement by integrating new technologies and optimizing development processes.

What you'll bring:

Extensive experience in platform engineering leadership, delivering scalable infrastructure and reusable tooling aligned with strategic roadmaps.

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

Strong background in AI/ML integration, building intelligent software systems using languages such as Python, Java, and C++.

Demonstrated ability to lead full software development lifecycle including CI/CD, testing, and incident response.

Skilled in technical mentorship, architectural decision-making, and promoting engineering best practices.

Effective collaborator with cross-functional teams to translate business needs into technical solutions.

Commitment to continuous improvement, innovation, and maintaining high-quality deliverables.

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 cloud-native infrastructure and reusable tooling.
  • Oversee the software development lifecycle across multiple teams.
  • Architect and implement AI-enhanced applications and intelligent systems.
  • Provide technical leadership and mentorship and influence architectural standards.
  • Translate business needs into technical requirements and measurable success metrics.
  • Design systems for high availability, fault tolerance, and interoperability.
  • Improve engineering processes and adopt new technologies.

Qualifications

  • Bachelor's degree in a related field and 5 years of software engineering experience, or 7 years of software engineering experience.
  • Experience leading platform engineering and delivering scalable infrastructure and reusable tooling.
  • Expertise in cloud-native architecture and distributed systems.
  • Experience integrating AI/ML into software systems; proficiency with languages such as Python, Java, or C++.
  • Experience leading software development lifecycle practices, including CI/CD, testing, and incident response.
  • Strong technical leadership, mentorship, and cross-functional collaboration skills.
  • Preferred: Master's degree in a related field and 3 years of software engineering experience.
  • Preferred: Knowledge of WCAG 2.2 AA, assistive technologies, and digital accessibility best practices.

Benefits

  • Medical, vision, and dental coverage.
  • 401(k), stock purchase plan, and company-paid life insurance.
  • Paid time off, including sick leave, parental leave, and family care leave.
  • Short- and long-term disability coverage and company discounts.
  • Adoption and surrogacy expense reimbursement.
  • Walmart-paid education programs for eligible associates.
  • Performance-based bonuses and potential stock compensation.

Skills mentioned

System DesignDistributed SystemsCloud ComputingPythonJavaMachine LearningGenerative AICI/CDSoftware TestingWeb Accessibility

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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