Staff, Software Engineer

WalmartBentonville, AR
22h$110,000 - $220,000Onsite

About The Position

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. About Team: Focusing on customer, associate and business needs, this team works with Walmart International, which includes more than 5,200 retail units, operating in 23 countries such as Canada, Central America, Chile, China, India, Mexico and South Africa to name a few. About Walmart Global Tech Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail. Walmart’s culture is a competitive advantage, and it’s fostered by being together. Working together in person allows us to collaborate, align quickly and innovate with greater speed. We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates.

Requirements

  • 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.
  • 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.
  • 6 years’ experience in software engineering or related area.

Nice To Haves

  • 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
  • We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
  • The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Responsibilities

  • 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.

Benefits

  • Beyond our great compensation package, you can receive incentive awards for your performance.
  • Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.
  • Health benefits include medical, vision and dental coverage.
  • Financial benefits include 401(k), stock purchase and company-paid life insurance.
  • Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting.
  • Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
  • Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
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