Principal, Software Engineer

Walmart Inc.; Sunnyvale (CA); On-site; USD 143,000 - 286,000; Full time

Benefits offered by this job

Discount Card

Live Better U education benefits

401(k) and stock purchase

Paid time off and PTO programs

On-site child care facilities

Job summary

Walmart Inc. in Sunnyvale, CA, seeks a Principal Software Engineer to lead platform engineering, delivering scalable cloud-native systems and reusable infrastructure, with AI/ML integration to serve millions.

You will guide architecture, mentor engineers, and drive end-to-end software development across multiple teams, ensuring alignment with long-term goals and high quality in a dynamic environment.

Qualifications

• Mastery of Java SDKs and services; event-driven processing
• Strong lifecycle management: design, test, deploy, monitor
• Experience applying model-driven design and AI for intelligent software
• Mentoring engineers and influencing architectural decisions
• Excellent collaboration with cross-functional teams and stakeholders
• Commitment to innovation and technical excellence aligned with business goals

Responsibilities

• Provide software architectural consultation to engineering teams for scalable cloud-native architectures and tooling
• Drive full software development lifecycle across multiple teams
• Architect and implement AI-enabled applications for millions of users
• Collaborate with stakeholders to translate business needs into technical requirements and measurable success metrics
• Ensure high-quality deliverables through sound judgment and proactive issue resolution

Skills

Java

Event-driven design

NoSQL databases

CI/CD

AI/ML integration

Mentoring engineers

Cross-functional collaboration

Education

Bachelor's degree in CS or related field

Master's degree in CS (preferred)

Job description

Role summary: The Principal Software Engineer leads platform engineering efforts by delivering scalable, cloud-native solutions and reusable infrastructure components. This role drives the full software development lifecycle, integrating AI/ML technologies to build intelligent systems that serve millions. The position requires strategic technical leadership, mentorship, and collaboration across teams to ensure alignment with long-term architectural goals. The engineer applies sound judgment to solve complex problems, promotes innovation, and continuously improves processes while maintaining high standards of quality and operational excellence in a dynamic environment.

About the team: The Membership Experience Engineering team at Walmart develops scalable, reliable technology to enhance shopping journeys for millions worldwide. The team prioritizes technical excellence, integrity, and customer-focused solutions while supporting professional growth and knowledge sharing. Collaborating across functions, members drive innovation through iterative development, code review, and continuous improvement. Utilizing advanced tools and AI integration, the team delivers high-quality software aligned with Walmart’s standards, empowering associates and improving the overall shopping experience globally.

What you'll do:

• Providesoftwarearchitecturalconsultationtosoftwareengineeringteamsindeliveringscalableinfrastructure,reusabletooling,andcloud-nativearchitecturesalignedwithstrategicroadmaps.
• Drivefullsoftwaredevelopmentlifecycleactivities,includingdesign,testing,deployment,andmaintenanceacrossmultipleteams.
• ArchitectandimplementAI-enhancedapplicationsandintelligentsystemssupportingmillionsofusers.
• Collaboratewithstakeholderstotranslatebusinessneedsintoactionabletechnicalrequirementsandmeasurablesuccessmetrics.
• Ensurehigh-qualitydeliverablesthroughsoundtechnicaljudgmentandproactiveissueresolution.

What you'll bring:

• MasterywithJavaSDK,Services,andvariousmethodsofeventdrivendesignprocessingofsystems.NoSQLDatabasesexperiencepreferred
• Strongproficiencyinsoftwaredevelopmentlifecyclemanagement,includingCI/CD,testing,observability,andincidentresponse.
• Demonstratedabilitytoapplymodel-drivendesignandleverageAIagentsforintelligentsoftwaresolutions.
• Skilledinmentoringengineersandinfluencingarchitecturaldecisions
• Excellentcollaborationandcommunicationskillswithcross-functionalteamsandstakeholders.
• Commitmenttoinnovation,continuousimprovement,andtechnicalexcellencealignedwithbusinessobjectives.

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. Sunnyvale, California US-11349: The annual salary range for this position is $143,000.00 - $286,000.00 Bellevue, Washington US-11663: The annual salary range for this position is $132,000.00 - $264,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include : - Stock

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

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.

Walmart is 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.

Benefits you'll enjoy

Discount Card

Get 10% off

Walmart associates are eligible for a 10% discount card on most regular-priced items and fresh produce in-store and on select items at Walmart.com. Eligible after 90 days of employment.

Live Better U

100% covered

Earn a degree or in-demand skills certificates with no debt- Walmart covers 100% of tuition and books. Live Better U offers 60+ programs for Associates to pursue their dreams.

Ready to grow your career? Walmart Academy offers job-specific retail training and leadership courses to help Associates reach their career goals.

Medical, dental, vision, and wellness programs for you and your family

Access mental health resources and assistance programs for life's challenges

Training, leadership programs, and clear paths to advance.

Imagine a workplace surrounded by innovation.At Walmart's new Home Office in Bentonville, Arkansas, we're redefining what it means to work at a global leader.

Set on 350 acres of thoughtfully revitalized land, our new campus seamlessly integrates the charm of Northwest Arkansas with cutting edge design and technology. From biking trails and outdoor courtyards to flexible, tech-enabled workspaces, every detail reflects our commitment to sustainability, connection, and culture.

With amenities like on-site childcare at our Little Squiggles Children's Enrichment Center, the Walton Family Whole Health & Fitness Center, and a vibrant food hall featuring local and international favorites, we're creating a space where work-life balance isn't just a goal—it's a reality.

Beyond the campus, Bentonville offers a dynamic lifestyle with world-class dining, art at the Crystal Bridges Museum, and countless outdoor activities.

Whether you're exploring High South cuisine, enjoying live performances at our new amphitheater, or cycling the Razorback Greenway, you'll experience the perfect blend of small-town charm and big-city amenities.

Join us at Walmart and grow your career alongside a community that feels like home.

This isn't just a workplace—it's a destination for leaders eager to make a difference.

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