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Walmart

Principal Software Engineer – Marketplace

Walmart

. Lead platform engineering efforts delivering scalable infrastructure, reusable tooling, and AI/ML frameworks .

Posted 10/24/2026full-timeSunnyvale • California • United StatesLead💰 $143,000 - $286,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in platform engineering leadership, delivering scalable cloud-native architectures and reusable tooling while ensuring high availability and real-time data processing. Proficient in mentoring engineers, influencing architectural decisions, and collaborating with cross-functional teams to meet business objectives.

Highest-signal resume keywords
Platform Engineering LeadershipCloud-Native ArchitectureReal-Time Data ProcessingSoftware Development Lifecycle ManagementModel-Driven Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Software EngineeringDistributed Systems DesignAI/ML IntegrationCI/CD PipelinesObservabilityScalable InfrastructureReusable ToolingFault ToleranceTechnical LeadershipMarketplace Platforms
Soft Skills
CollaborationCommunicationMentoringContinuous ImprovementInnovation
Certifications & Qualifications
Bachelor's Degree in Computer ScienceMaster's Degree in Computer Science (Preferred)
Industry Keywords
Cloud-Native PrinciplesTechnical ExcellenceStakeholder CollaborationSuccess MetricsEngineering Excellence

Tech Stack

Tools & technologies
CloudDistributed Systems

About the role

Key responsibilities & impact
  • Lead platform engineering efforts delivering scalable infrastructure, reusable tooling, and AI/ML frameworks
  • Drive the full software development lifecycle across multiple teams
  • Ensure high availability, fault tolerance, and real-time data processing
  • Architect and integrate intelligent software systems using cloud-native principles and model-driven design
  • Provide technical leadership and mentor engineers
  • Influence architectural decisions and promote engineering excellence
  • Collaborate with stakeholders to define technical requirements and measure success metrics
  • Ensure solutions meet business objectives
  • Identify opportunities to improve tools, processes, and products
  • Build scalable, reliable marketplace platforms supporting Walmart’s product selection, sellers, customers, and associates globally

Requirements

What you’ll need
  • 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; OR 7 years’ experience in software engineering or related area
  • Extensive experience in platform engineering leadership
  • Experience delivering scalable, cloud-native architectures and reusable tooling
  • Expertise designing and implementing distributed systems optimized for real-time data processing and AI/ML integration
  • Proficiency in software development lifecycle management, including CI/CD pipelines, testing, and observability
  • Ability to apply model-driven design and leverage AI agents
  • Experience mentoring engineers and influencing architectural decisions
  • Excellent collaboration and communication skills with cross-functional teams and stakeholders
  • Commitment to continuous improvement, innovation, and technical excellence
  • Preferred: Master’s degree in Computer Science or related field and 4 years' experience in software engineering or related field
  • Must work at the Sunnyvale, California location

Benefits

Comp & perks
  • Performance-based bonus awards
  • Medical, vision, and dental coverage
  • 401(k)
  • Stock purchase
  • Company-paid life insurance
  • Paid time off, including sick leave
  • Parental leave
  • Family care leave
  • Bereavement leave
  • Jury duty leave
  • Voting leave
  • Short-term and long-term disability
  • Company discounts
  • Military Leave Pay
  • Adoption and surrogacy expense reimbursement
  • Live Better U Walmart-paid education benefit, including fully paid tuition, books, and fees for eligible programs
  • English Language Learning and short-form certificate programs through Live Better U