Staff, Software Engineer - Backend

Staff Software Engineer - Backend

Walmart's Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the chance to set new industry standards that shape the future of Walmart.

The Enterprise People Technology team supports the successful deployment and adoption of new People technology across the enterprise. As a Fortune #1 company, our work impacts millions of associates globally. We strive to continuously improve people technology and products to help managers and associates so they can focus on what matters mostsupporting our customers and members.

People Technology is one of the major segments of Walmart Global Tech's Enterprise Business Services, which is invested in building a compact, robust organization that includes service operations and technology solutions for Finance, People, and the Associate Digital Experience.

Walmart's Associate Experience Platform team is seeking an exceptional Staff Software Engineer to strengthen our GenAI experience platform. You will be hands-on developing critical platform capabilities with cutting-edge GenAI technologies, building reusable and extensible platform services, and ultimately bringing GenAI to the day-to-day of 2.2M Walmart associates worldwide.

What You'll Do...

• Design and develop platform features enabling advanced semantic routing for GenAI-powered services.
• Build and maintain evaluation pipelines for semantic router data.
• Collaborate with applied researchers and data scientists to continuously improve semantic routing algorithms.
• Develop and implement agent-to-agent (A2A) communication protocols.
• Contribute to the design and development of platform features using microservices and event-driven architecture.
• Uphold engineering and operational excellence standards.
• Support operational excellence for semantic routing and agent communication systems.
• Stay current with GenAI and multi-agent system best practices.
• Be an active member of a dynamic team, contributing to code reviews, design discussions, and collaborative problem-solving.
• Support production operations by participating in on-call rotations.

What You'll Bring:

Essential skills:

• Python guru with a proven track record of writing high-performing, production-quality code.
• Hands-on experience designing and building Python-based web services in a production setting (FastAPI experience preferred).
• Deep familiarity with version control using Git in collaborative team environments.
• Comfortable working with Linux environments and containerization technologies such as Docker.
• 4+ years of industry experience with demonstrated ownership and delivery of software products.

GenAI & Semantic Routing Skills (Preferred)

• Hands-on experience developing or deploying GenAI-based applications.
• Experience working with or integrating open-source and/or commercial GenAI libraries/frameworks such as Hugging Face Transformers, LangChain, OpenAI API, or similar.
• Ability to productionize and evaluate GenAI models.
• Familiarity with prompt engineering, vector databases, and orchestration tools for GenAI workflows.
• Experience with semantic routing, including designing systems that direct user queries or tasks to the appropriate AI agents or models based on content, intent, or context.
• Ability to analyze, test, and improve semantic routing algorithms and evaluate their effectiveness using data-driven approaches.
• Awareness of responsible AI principles, including model evaluation, bias mitigation, and production monitoring.

Supplemental skills:

• Experience developing large-scale data pipelines.
• Exposure to MLOps practices and tools.
• Experience with observability and monitoring tools for production AI systems.

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 are a team of software engineers, data scientists, cybersecurity experts, 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.

Our hubs: Walmart is a global company with offices across the United States and around the world. Our global headquarters is in Bentonville, Arkansas, with primary hubs in the San Francisco Bay area and New York/New Jersey.

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. Equal Opportunity Employer: Walmart, Inc. is an Equal Opportunity Employer By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing unique styles, experiences, identities, ideas, and opinions while being welcoming of all people.

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.

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.

The annual salary range for this position is $110,000.00-$220,000.00. Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include: Stock.

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...

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.

Primary Location...

508 Sw 8Th St, Bentonville, AR 72712, United States of America