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Walmart Logo Walmart · IT - Software Development

Staff, Software Engineer

United States, Bentonville Employment contract 110000.00 - 220000.00 USD / Year · Job Posted May 26, 2026
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Job Description

As a Staff Software Engineer on the OneSource team, you will architect and build scalable, enterprise-grade solutions using Java, Spring Boot, React, and agentic technologies leveraging LLMs and MCPs, while integrating with Walmart’s core tech platforms. You’ll be at the forefront of realizing OneSource’s vision to serve as the backbone of Walmart’s sourcing and product development transformation—delivering a seamless, unified platform experience, deep data integration, and intelligent automation that reduces manual effort and errors, scales globally, and powers agentic sourcing and product development across all markets.

Job Responsibility

  • Design and own the technical architecture ensuring the system scales with business complexity and evolve the MCP server's technical foundation—connection management, async patterns, service boundaries—ensuring the system scales reliably under load
  • Build robust APIs and integrations that enable seamless data flow across systems
  • Set engineering standards through code reviews, mentorship, and hands-on ownership of critical components while driving best practices across the team
  • Build and optimize intelligent agents using DSPy/LLM frameworks, ensuring they are observable, cost-effective, and deliver consistent quality through evaluation pipelines
  • Ensure the system performs efficiently at scale through proactive optimization
  • Own the operational excellence of the system—deployment, configuration, monitoring, security—ensuring production reliability and performance
  • Bridge technical and business stakeholders, coordinate dependencies with external teams, and drive delivery while balancing velocity with sustainability

Requirements

  • Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years’ experience in software engineering or related area
  • Option 2: 6 years’ experience in software engineering or related area
  • 10+ years of experience in the design and development of highly scalable distributed applications and platforms
  • Deep expertise in Python, Java, Spring Boot, React, PostgreSQL / Azure SQL and modern agentic technologies (LLMs, MCPs)
  • Proven ability to design and deliver scalable, enterprise-grade solutions integrating with Walmart’s core tech platforms
  • Strong problem-solving and automation mindset, with a focus on reducing manual effort and driving intelligent workflow transformation
  • Excellent collaboration and communication skills to work across global teams and partner platforms
  • Experience leading technical initiatives that drive platform unification, data integration, operational excellence, engineering excellence, alerting and monitoring / tracing

Nice to have

  • Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 2 years' experience in software engineering or related area
  • Background in creating inclusive digital experiences
  • Knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards
  • Knowledge of assistive technologies
  • Knowledge of integrating digital accessibility seamlessly

What we offer

  • Annual or quarterly performance bonuses
  • 401(k) match
  • Stock purchase plan
  • Paid maternity and parental leave
  • PTO (including sick leave)
  • Multiple health plans including medical, vision and dental
  • Company-paid life insurance
  • Short-term and long-term disability
  • Company discounts
  • Military Leave Pay
  • Adoption and surrogacy expense reimbursement
  • Live Better U education benefit program
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