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Walmart

Principal Software Engineer

Walmart

Principal Software Engineer building GenAI-powered merchant systems for Walmart, the world’s largest retailer. Leading architecture, scalable development, and technical mentorship across commerce technology.

Posted 8/5/2026full-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 architecting and developing large-scale, highly available systems, with a strong focus on AI agent development and event-based systems. Proven ability to lead and mentor engineering teams while driving operational excellence and effective collaboration across diverse stakeholders.

Highest-signal resume keywords
Software Engineering ExperienceAI Agent DevelopmentJava ProficiencyEvent-Based Systems DesignCloud Platform Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Software EngineeringAI Agent DevelopmentJavaPythonEvent-Based SystemsREST Web ServicesAPI DesignSystem Design PrinciplesOperational ExcellenceLarge Dataset Management
Soft Skills
Technical LeadershipMentoringAnalytical SkillsDecision-MakingCommunication
Tools & Technologies
Apache KafkaRabbitMQMicrosoft AzureGoogle Cloud Platform
Industry Keywords
Commerce TechnologyRetail TechnologyDistributed Environments

Tech Stack

Tools & technologies
ApacheAzureCloudGoogle Cloud PlatformJavaKafkaPythonRabbitMQ

About the role

Key responsibilities & impact
  • Drive architecture, design, and development of Walmart-scale solutions for Merchant experiences
  • Provide hands-on technical leadership to engineering teams
  • Prototype, research, and code scalable consumer-facing systems
  • Collaborate with partner, business, product, UX, and stakeholder teams
  • Make Merchant workflows friction-free, fast, and delightful
  • Stay current with technical advancements and drive architecture and software development processes
  • Lead and mentor teams implementing complex systems
  • Champion operational and engineering excellence
  • Participate in code reviews, operational reviews, architectural discussions, and troubleshooting sessions
  • Mentor engineers, managers, and others in technical problem-solving and career growth

Requirements

What you’ll need
  • At least 7 years of software engineering experience building highly available, large-scale systems
  • Experience in commerce, retail technology, or distributed environments
  • Hands-on and architectural experience in AI agent development using LLMs and related frameworks
  • Proficiency in Java and Python
  • Experience working with large datasets at scale
  • Experience designing and implementing event-based systems using Apache Kafka, RabbitMQ, or similar messaging platforms
  • Experience with Microsoft Azure and Google Cloud Platform, including scalable, secure, and cost-efficient solutions
  • Strong knowledge of REST web services, API design, ORM, and service-oriented architecture
  • Deep understanding of system design principles and operational excellence
  • Ability to design solutions for complex business challenges and balance long-term architecture with short-term trade-offs
  • Strong analytical and decision-making skills
  • Proven experience mentoring engineers in technical problem-solving and career growth
  • Excellent communication, collaboration, consensus-building, and stakeholder-influencing skills
  • Bachelor's degree in a specified computing discipline and 5 years' software engineering experience, or 7 years' software engineering experience

Benefits

Comp & perks
  • Competitive pay
  • Performance-based bonus awards
  • Medical, vision, and 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 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 education benefit for full-time and part-time associates
  • Tuition, books, and fees completely paid through Live Better U programs
  • Additional compensation may include stock