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Principal, Software Engineer - Marketplace

Walmart

Sunnyvale, CAJob$143–286K/yrSeen 2w agoSeen in employer's feed 5 days ago

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At a glance

Compensation
$143–286K/yr
Location
Sunnyvale, CA
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Job overview

The Principal Software Engineer will lead the design and delivery of scalable platform capabilities, including cloud-native architectures and AI/ML integration. The role provides technical leadership across teams, oversees the software development lifecycle, and promotes engineering excellence and collaboration. The Marketplace Engineering team builds platforms and services for seller lifecycle management, customer interactions, and marketplace operations.

Skills & qualifications

RequiredNice to have

Skills

Platform Engineering, nice to haveCloud-Native Architecture, nice to haveReusable Tooling, nice to haveDistributed Systems, nice to haveReal-Time Data Processing, nice to haveAI/ML Integration, nice to haveSoftware Development Lifecycle Management, nice to haveCI/CD Pipelines, nice to haveTesting, nice to haveObservability, nice to haveModel-Driven Design, nice to haveAI Agents, nice to haveMentoring, nice to haveArchitectural Decision-Making, nice to haveCollaboration, nice to haveCommunication, nice to haveContinuous Improvement, nice to have

Qualifications

Bachelor's in Computer Science or Related, requiredBachelor's in Computer Engineering or Related, requiredBachelor's in Computer Information Systems or Related, requiredBachelor's in Software Engineering or Related, required5 Years Software Engineering Experience, required7 Years Software Engineering Experience, requiredMaster's in Computer Science or Related, nice to have4 Years Software Engineering Experience, nice to have

Benefits

Medical Insurance
Vision Insurance
Dental Insurance
401(k) Match
Paid Time Off
Parental Leave
Tuition Assistance

Full job description

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 innovation in cloud-native architectures and AI/ML integration. This role requires strategic technical leadership across multiple teams, ensuring alignment with long-term roadmaps and business objectives. You will oversee the full software development lifecycle, promote engineering excellence, and foster collaboration to solve complex problems. By applying advanced design principles and mentoring engineers, you will contribute to building reliable, high-performance systems that serve millions of customers and associates globally.

About the team:

The Marketplace Engineering team develops core platforms and services that empower Walmart to offer extensive product selection at competitive prices with exceptional customer experience. This team manages the entire seller lifecycle, monitors customer interactions, and delivers valuable insights to help sellers optimize assortment, pricing, and inventory. Collaborating closely with partner platform teams, they ensure seamless integration and continuous enhancement of the marketplace platform. The team applies advanced engineering practices, cloud-native architecture, and AI-driven solutions to build scalable, reliable systems that support Walmart’s commitment to innovation and operational excellence.

What you'll do:

  • Lead platform engineering efforts to deliver scalable infrastructure, reusable tooling, and AI/ML frameworks aligned with strategic roadmaps.

  • Drive full software development lifecycle across multiple 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 decisions 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 to enhance tools, processes, and products.

What you'll bring:

  • Extensive experience in platform engineering leadership, delivering scalable, cloud-native architectures and reusable tooling.

  • Proven expertise in designing and implementing distributed systems optimized for real-time data processing and AI/ML integration.

  • Strong technical proficiency in software development lifecycle management, including CI/CD pipelines, testing, and observability.

  • Demonstrated ability to apply model-driven design and leverage AI agents to enhance software solutions.

  • Skilled in mentoring engineers and influencing architectural decisions to promote maintainability and interoperability.

  • Excellent collaboration and communication skills with cross-functional teams and stakeholders.

  • Commitment to continuous improvement, innovation, and technical excellence.

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 (https://one.walmart.com/) .

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 or related field and 4 years' experience in software engineering or related field

Primary Location...

1375 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, Inc. is an Equal Opportunity Employer- By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity- unique styles, experiences, identities, abilities, ideas and opinions- while being inclusive of all people.

How this job compares

Set against the 8,920 open Software Engineering jobs on Olive Jobs, counted November 12, 2026.

Pay
  • This posting$143–286K/yr
  • California median$187–280K/yr1,323 salary ranges
  • US median$146–253K/yr6,825 salary ranges

This range's midpoint, $215K, is 7% below the California median midpoint ($231K) — in the middle half of Software Engineering salary ranges in California.

Openings
Olive Jobs lists 1,802 open Software Engineering jobs in California and 8,920 across the US. 9% of them nationwide are listed as remote or flexible.
Hiring the most in California
Experience
This posting asks for at least 5 years of experience; Software Engineering postings that state a minimum ask for 7 years at the median (6,725 postings).
Education
2,159 of the 8,920 open Software Engineering jobs (24%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 12, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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