Principal, Software Engineer

Position Summary

Role summary: The Principal Software Engineer leads the design and delivery of scalable platform capabilities, driving technical execution across multiple teams. This role applies cloud‑native architecture principles to develop resilient distributed systems and integrates AI/ML technologies to enhance software solutions. The engineer ensures high‑quality deliverables, fosters innovation, and continuously improves processes while maintaining architectural integrity and operational excellence in a dynamic environment.

About the team: The Sandman/Ad‑tech team consists of experienced Machine Learning Engineers, Data Scientists, and Full Stack technologists focused on delivering scalable, data‑driven solutions for Walmart. The multidisciplinary group integrates expertise in AI, software engineering, and data science to develop autonomous AI agents, deploy reliable applications, and build core engineering capabilities at enterprise scale.

Lead platform engineering efforts by delivering 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 AI‑enhanced applications using cloud‑native principles and model‑driven design. Provide technical leadership and mentorship, influencing architectural standards and promoting engineering excellence. Collaborate with stakeholders to define technical requirements and success metrics, ensuring solutions meet quality and business goals.

Foster continuous improvement by identifying opportunities, adapting to change, and sharing knowledge across teams.

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 proficiency in software development lifecycle management, including coding, testing, CI/CD deployment, and observability. Demonstrated ability to apply model‑driven design and leverage AI agents for intelligent software solutions. Skilled in technical mentorship, architectural decision‑making, and cross‑team collaboration.

Excellent problem‑solving skills with a focus on operational metrics and customer‑centric outcomes. Adaptability to evolving technologies and commitment to continuous improvement and innovation.

At Walmart, we offer competitive pay, performance‑based bonus awards, and a comprehensive benefits package. Health benefits include medical, vision, and dental coverage. Financial benefits include 401(k), stock purchase, and company‑paid life insurance. Paid time off includes PTO, sick leave, parental leave, family care leave, bereavement, jury duty, and voting. Additional benefits include short‑term and long‑term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

Hoboken, New Jersey US‑10649:
Annual salary range $ – $

Sunnyvale, California US‑11807:
Annual salary range $ – $

Additional compensation includes annual or quarterly performance bonuses. Stock options are available as part of the overall compensation package.

• 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.
• 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.

• 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.
• Experience creating inclusive digital experiences, implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA…