(USA) Principal, Software Engineer

WalmartSunnyvale, CA
$143,000 - $286,000Onsite

About The Position

As a Principal Software Engineer at Walmart, you will lead platform engineering initiatives by delivering scalable, cloud-native solutions and reusable infrastructure components. This role involves driving the full software development lifecycle across multiple teams, integrating AI/ML technologies, and ensuring high availability and fault tolerance. You will provide strategic technical leadership, mentor engineering teams, and collaborate with cross-functional partners to translate complex business needs into effective technical solutions. Your expertise will support Walmart’s long-term platform evolution while fostering innovation, operational excellence, and continuous improvement. The Unified Recommendations Platform (URP) team drives the development of a scalable, integrated platform that enhances recommendation systems across Walmart Ads. The team focuses on designing and implementing cloud-native, distributed systems supporting real-time data processing and AI integration. Emphasizing technical excellence and innovation, URP delivers reliable, high-quality software solutions. Team members collaborate closely to shape platform architecture and advance foundational capabilities. Joining URP provides the opportunity to influence platform evolution and contribute impactful engineering solutions that serve millions of users across the organization.

Requirements

  • Extensive experience in platform engineering leadership, delivering scalable, cloud-native architectures and reusable tooling.
  • Proven ability to lead full software development lifecycle including coding, testing, CI/CD deployment, and incident response.
  • Strong expertise in AI/ML integration and building intelligent software systems using languages such as Python, Java .
  • Hands-on experience building data pipelines, data processing workflows, and distributed systems to support high-volume recommendation.
  • Skilled in applying model-driven design and cloud computing architecture principles to enhance system reliability and performance.
  • Demonstrated technical leadership and mentorship capabilities fostering engineering excellence and innovation.
  • Effective collaboration and communication skills with cross-functional teams and stakeholders.
  • Commitment to continuous improvement, technical ownership, sound architectural decision-making.
  • 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

  • Lead platform engineering efforts by delivering scalable infrastructure, reusable tooling, and cloud-native architectures aligned with strategic roadmaps.
  • Drive full software development lifecycle activities, including design, testing, deployment, and maintenance across multiple teams.
  • Architect and implement AI-enhanced applications and intelligent systems supporting millions of users.
  • Provide technical leadership and mentorship, influencing architectural standards and fostering engineering excellence.
  • Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable outcomes.
  • Ensure high-quality deliverables through sound technical judgment and proactive issue resolution.
  • Promote continuous improvement by adopting innovative tools and practices to enhance system performance and reliability.

Benefits

  • Competitive pay
  • Performance-based bonus awards
  • Medical coverage
  • Vision coverage
  • Dental coverage
  • 401(k)
  • Stock purchase
  • Company-paid life insurance
  • PTO (including sick leave)
  • Parental leave
  • Family care leave
  • Bereavement leave
  • Jury duty leave
  • Voting leave
  • Short-term disability
  • Long-term disability
  • Company discounts
  • Military Leave Pay
  • Adoption expense reimbursement
  • Surrogacy expense reimbursement
  • PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
  • Live Better U (Walmart-paid education benefit program for full-time and part-time associates)
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