Principal Software Engineer – Backend

Walmart

Principal software engineer leading Walmart’s cloud-native, AI-enhanced e-commerce platform engineering. Designing scalable BuyBox microservices that optimize offer selection for millions of users.

Posted 8/6/2026full-timeSunnyvale • California • 🇺🇸 United StatesLead💰 $143,000 - $286,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in platform engineering leadership, focusing on scalable cloud-native architectures and reusable tooling. Proficient in driving the full software development lifecycle, including AI/ML integration and fostering engineering excellence through mentorship and collaboration.

Highest-signal resume keywords

Platform Engineering LeadershipCloud-Native ArchitectureAI/ML IntegrationSoftware Development Lifecycle ManagementTechnical Mentorship

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Distributed Systems DesignReal-Time Data ProcessingModel-Driven DesignCI/CD DeploymentObservabilityMicroservices DevelopmentMachine LearningDebuggingRequirements AnalysisArchitectural Decision-Making

Soft Skills

Problem-SolvingCollaborationCommunicationMentorshipInnovation

Certifications & Qualifications

Bachelor's Degree in Computer ScienceBachelor's Degree in Computer EngineeringBachelor's Degree in Computer Information SystemsBachelor's Degree in Software Engineering

Industry Keywords

WCAG 2.2 AA StandardsAssistive TechnologiesDigital Accessibility Best PracticesE-CommerceContinuous Improvement

Tech Stack

Tools & technologies

CloudDistributed SystemsMicroservices

About the role

Key responsibilities & impact

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 coding, testing, deployment, monitoring, and maintenance across multiple teams
Architect and implement AI-enhanced applications and intelligent systems supporting millions of users
Provide technical leadership and mentorship to engineering teams, promoting best practices and innovation
Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable outcomes
Maintain architectural documentation to ensure transparency and alignment
Foster continuous improvement through experimentation and adoption of emerging technologies
Develop and maintain a microservices ecosystem optimizing e-commerce offer selection through machine learning and business rules
Enhance offer ranking, ensure seamless system interactions, and monitor performance to resolve issues promptly

Requirements

What you’ll need

Extensive experience in platform engineering leadership, delivering scalable, cloud-native architectures and reusable tooling
Proven expertise 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 advanced development tools to enhance quality and velocity
Skill in technical mentorship, architectural decision-making, and fostering engineering excellence across multiple teams
Excellent problem-solving skills focused on requirements analysis, debugging, and customer-centric solutions
Effective collaboration and communication skills with cross-functional stakeholders
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
Knowledge of WCAG 2.2 AA standards, assistive technologies, and digital accessibility best practices is valued

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
PTO and/or PPTO for vacation, sick leave, holidays, or other purposes
Live Better U Walmart-paid education benefit program
Tuition, books, and fees completely paid for through Live Better U
Additional compensation may include stock