Principal, Software Engineer - Backend

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 technical excellence across multiple teams. This role requires expertise in cloud-native architecture, distributed systems, and AI/ML integration to build intelligent software solutions that serve millions. You will provide strategic technical guidance, mentor engineers, and collaborate with stakeholders to align engineering efforts with business objectives.

Your leadership will ensure high-quality execution throughout the software development lifecycle while fostering innovation, continuous improvement, and operational excellence within a dynamic engineering environment.

About the team:
Our team develops the Store Fulfillment Platform, the core system enabling order fulfillment across thousands of stores through automation and associate support. This high-throughput, event-driven platform operates reliably at retail scale, supporting seamless customer experiences. We focus on scalable, cloud-native architecture and continuous improvement to meet evolving business needs. The team applies advanced engineering design processes and integrates AI agents to enhance system capabilities.

Collaboration and technical excellence drive our efforts to build and evolve a robust platform that supports Walmart's operational goals and delivers consistent, high-quality service.

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 implement cloud-native distributed systems integrating AI agents and model-driven design principles.
• Provide technical leadership and mentorship, influencing architectural standards and promoting engineering excellence.
• Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable success metrics.
• Maintain architectural documentation and ensure quality, reliability, and continuous improvement of software solutions.

What you'll bring:

• Extensive experience leading platform engineering initiatives, including shared infrastructure and scalable ML frameworks.
• Proficiency in cloud-native architecture and distributed system design ensuring high availability and fault tolerance.
• Strong expertise in full software development lifecycle management across multiple teams.
• Proven ability to architect AI-enhanced applications and integrate AI agents using languages such as Python, Java, and C++.
• Skilled in applying model-driven design and leveraging modern development tools to enhance quality and velocity.
• Demonstrated leadership in mentoring engineers and influencing architectural standards.
• Excellent collaboration and communication skills with cross-functional stakeholders.

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

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