Principal, Software Engineer - Marketplace

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

Benefits offered by this job

Health insurance

Vision and dental coverage

401(k) and stock purchase plan

Paid time off (PTO)

Job summary

Walmart Inc. in Sunnyvale, CA, seeks a Principal Software Engineer to lead the design and delivery of scalable marketplace platform capabilities. You will drive cloud-native architectures, AI/ML integration, and align work with roadmaps and business goals.

You will mentor engineers, oversee the full software lifecycle, improve tooling and observability, and collaborate with cross‑functional teams to deliver high‑availability systems that serve millions of customers and associates.

Qualifications

• Bachelor's degree in computer science, computer engineering, information systems, software engineering, or related field with five years’ experience, or seven years’ experience in software engineering.
• Experience leading platform engineering and cloud-native architectures.
• Strong SDLC management, CI/CD, testing, and observability.

Responsibilities

• Lead platform engineering efforts to deliver scalable infrastructure and AI/ML frameworks.
• Drive full software development lifecycle across multiple teams with high availability and real-time data processing.
• Architect and integrate intelligent systems using cloud-native and model-driven design.
• Provide technical leadership and mentorship to influence architectural decisions.
• Collaborate with stakeholders to define requirements and success metrics.

Skills

Platform engineering leadership

Cloud-native architectures

AI/ML integration

Full software lifecycle

CI/CD pipelines

Observability

Mentoring engineers

Cross-functional collaboration

Education

Bachelor's degree in CS/CE/related field

7+ years software engineering experience

Master’s degree in Computer Science

Job description

Principal, Software Engineer - Marketplace

Sunnyvale, CA

1375 Crossman Ave
Sunnyvale, CA 94089-1114

R-2621444

$143,000 - $286,000/yr

Regular/ Permanent

Position Summary

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

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

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 . 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

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 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.