(USA) Principal, Software Engineer

Walmart • Sunnyvale, CA

2d • Onsite

About The Position

The Principal, Software Engineer leads the design and delivery of scalable platform capabilities, including cloud-native architectures and AI/ML-enhanced applications. This role drives the full software development lifecycle across multiple teams, ensuring high availability, reliability, and performance. The position requires strategic technical leadership, mentorship, and collaboration with cross-functional stakeholders to align engineering efforts with business objectives. The Principal Engineer champions innovation, continuous improvement, and operational excellence while maintaining architectural integrity and delivering solutions that support Walmart’s long-term technology vision. Walmart Fulfillment Services (WFS) Technology delivers scalable fulfillment solutions integrating transportation, inventory, warehouse operations, billing, and delivery for third-party sellers. The team bridges Marketplace and Walmart’s supply chain by collaborating with Product, Business, Operations, Supply Chain, and Transportation partners. Combining the agility of a growth business with the scale of a global retailer, the team drives innovation and expands fulfillment capabilities into new models and international markets. Focused on technical excellence and cross-functional collaboration, the team develops impactful solutions that enhance seller fulfillment and support business growth.

Requirements

• Strong coding skills and ability to deliver production quality code.
• Extensive experience in platform engineering leadership, delivering scalable, cloud-native architectures and reusable infrastructure.
• Proven expertise in software development lifecycle management, including CI/CD, testing, observability, and incident response.
• Strong background in AI/ML integration and building intelligent software systems using languages such as Python, Java, and C++.
• Demonstrated ability to leverage advanced development tools to enhance quality and velocity.
• Skilled in technical mentorship, architectural decision-making, and fostering engineering excellence across teams.
• Excellent problem-solving and requirements analysis capabilities with a focus on customer-centric metrics and outcomes.
• Effective collaboration and communication skills to engage cross-functional stakeholders and drive innovation.
• 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.
• 7 years’ experience in software engineering or related area.

Nice To Haves

• 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.
• Creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
• 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.

Responsibilities

• Be a deeply hands-on technical leader, write production-quality code, build automated tests, and take implementations all the way through production deployment.
• Lead platform engineering efforts to deliver scalable, cloud-native infrastructure and reusable tooling aligned with strategic roadmaps.
• Drive full software development lifecycle across teams, ensuring high availability, fault tolerance, and real-time data processing capabilities.
• Architect and integrate AI/ML-enhanced applications to support millions of users with advanced intelligent systems.
• Provide technical leadership and mentorship, promoting engineering excellence.
• Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable success metrics.
• Champion continuous improvement by adopting innovative tools and practices to enhance development velocity and quality.

Benefits

• Medical, vision and dental coverage.
• 401(k)
• Stock purchase
• Company-paid life insurance.
• PTO (including sick leave)
• Parental leave
• Family care leave
• Bereavement
• Jury duty
• Voting.
• Short-term and long-term disability
• Company discounts
• Military Leave Pay
• Adoption and surrogacy expense reimbursement
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Principal