Walmart

(USA) Principal, Software Engineer

1395 Crossman Ave, Sunnyvale, CA 94089-1114

Full-time · $143k–$286k (as posted)

First seen by offpeak October 22, 2026

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Position Summary...

What you'll do...

Role summary:
As a Principal Software Engineer at Walmart, you will lead the design and delivery of scalable platform capabilities, including cloud-native architectures and AI/ML frameworks, to support critical business functions. This role involves driving the full software development lifecycle, fostering technical excellence, and mentoring engineering teams. You will collaborate across functions to translate complex business needs into innovative technical solutions while ensuring system reliability and performance. Your leadership will influence architectural standards and promote continuous improvement to advance Walmart’s technology vision and operational goals.
About the team:
The Financial Services team at Walmart develops and scales financial products across Walmart’s ecosystem, including Buy Now Pay Later, Credit Cards, Money Services. The team leads product engineering for in-store and eCommerce experiences, collaborating with external, internal partners. Operating at a large scale, the team enables millions of customers to access flexible and innovative financial solutions across Walmart, driving impactful technology and seamless user experiences. The team is embarking on a multi-year journey of building a Global Financial Services platform that will power multiple markets across the globe wherever Walmart operates and make the financial services available at global scale.
What you'll do:

Lead platform engineering efforts to deliver scalable infrastructure, reusable tooling, and advanced ML frameworks aligned with strategic roadmaps.
Architect and implement cloud-native, distributed systems ensuring high availability, fault tolerance, and real-time data processing capabilities.
Oversee full software development lifecycle including coding, testing, deployment, monitoring, and incident management across multiple teams.
Integrate AI/ML technologies into software products to enhance customer and associate experiences.
Provide technical leadership, mentorship, and promote engineering best practices to drive innovation and maintain system interoperability.
Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable success metrics.
Maintain architectural documentation and make informed decisions balancing technical trade-offs and long-term impact.

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 technical skills in AI/ML integration, software architecture, and model-driven design using languages such as Python, Java, and C++.
Demonstrated ability to lead full software development lifecycles, including CI/CD, testing, monitoring, and incident response.
Effective mentorship and leadership capabilities fostering engineering excellence and innovation across teams.
Excellent collaboration and communication skills to engage cross-functional stakeholders and drive technical alignment.
Commitment to continuous improvement, technical ownership, and sound decision-making balancing long-term business goals.

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...

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.

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