Principal, Software Engineer

Position Summary...

What you'll do...

The Principal Software Engineer leads platform engineering initiatives, delivering scalable, cloud-native solutions and reusable infrastructure across multiple teams. This role drives the full software development lifecycle, integrating AI/ML capabilities and ensuring system reliability and performance. The position requires strategic technical leadership, mentorship, and collaboration with cross-functional partners to align engineering efforts with business goals. The ideal candidate applies sound technical judgment, fosters innovation, and continuously improves processes while maintaining high standards of quality and operational excellence in a dynamic environment.

The International Transactions team develops and maintains systems that enable seamless, high-availability checkout experiences across global markets. This team ensures customers can confidently amend orders post-purchase while protecting millions of transactions from fraud in real time. Positioned at the critical intersection of customer experience, financial integrity, and operational reliability, the team’s work directly impacts revenue, trust, and safety worldwide. Members apply expertise in platform design, API development, cloud-native architecture, and data-driven decision-making to deliver scalable, resilient solutions supporting Walmart’s global operations and enhancing the overall customer journey.

• Lead platform engineering efforts to deliver scalable, cloud-native infrastructure and reusable tooling aligned with strategic roadmaps.
• Drive full software development lifecycle management, including design, testing, deployment, and maintenance across multiple teams.
• Architect and implement AI-enhanced applications and intelligent systems supporting high availability and real-time data processing.
• 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.
• Ensure technical ownership by delivering quality solutions and resolving complex challenges proactively.
• Foster continuous improvement through innovation, knowledge sharing, and adoption of best practices.

• Extensive experience in platform engineering leadership, delivering scalable and reliable infrastructure solutions.
• Proven expertise in cloud-native architecture and distributed system design for high availability and fault tolerance.
• Strong technical skills in AI/ML integration, software development lifecycle, and continuous integration/deployment practices.
• Proficiency in model-driven design and modern programming languages including Python, Java, and C++.
• Demonstrated ability to provide technical mentorship and influence architectural decisions across teams.
• Excellent problem-solving skills with a focus on operational metrics and customer-centric outcomes.
• Effective 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…