Position Summary...What you'll do...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.
What you'll do:- 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.
What you'll bring: - 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.
Benefits: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.
The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.
At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. 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.
You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.
For information about PTO, see https://one.walmart.com/notices.
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.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
The annual salary range for this position is $143,000.00 - $286,000.00
Additional compensation includes annual or quarterly performance bonuses.
Additional compensation for certain positions may also include :
- Stock
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Minimum Qualifications...Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.
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.
Preferred Qualifications...Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.
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.
Primary Location...815 Eleventh Ave, Sunnyvale, CA 94089-4731, United States of America
