(USA) Senior, Software Engineer – Unified Payments Platform

Position Summary...

What you'll do...

About the Team:

• The Unified Payments team is building a next-generation platform to handle all payment processing across Walmart’s physical and digital channels.

• The platform is being re-architected from a legacy mainframe to a modern, cloud-native solution.

 Senior Software Engineer, you’ll play a critical role in designing, developing, and delivering scalable solutions for Walmart’s Unified Payments Platform. You’ll work closely with Staff Engineers and cross-functional teams to build cloud-native systems that power billions of transactions. You’ll also begin to explore and apply AI technologies, including Large Language Models (LLMs) and agentic tools, to enhance system intelligence and developer productivity.

What You’ll Do:

• Translate complex business requirements into scalable, maintainable software solutions.

• Design and implement microservices using Java, Spring Boot, and Kubernetes in a cloud-native environment.

• Collaborate with Staff Engineers and Architects to align on technical direction and best practices.

• Contribute to the integration of LLMs and AI agents into internal tools and services to improve automation and decision-making.

• Participate in code reviews, design discussions, and mentoring of junior engineers.

• Troubleshoot production issues, perform root cause analysis, and implement long-term fixes.

• Continuously improve system performance, observability, and reliability.

About You:

• You are a strong backend engineer with a passion for clean code, scalable systems, and continuous learning.

• You’re curious about AI and LLMs, and eager to explore how they can be applied to real-world engineering problems.

• You enjoy working in a collaborative environment and are ready to take on increasing leadership responsibilities.

What You’ll Bring:

• 5–8 years of experience in software engineering, with a focus on backend systems.

• Proficiency in Java, Spring Boot, and microservices architecture.

• Experience with Kubernetes, Helm, and cloud platforms (GCP preferred).

• Exposure to LLMs, prompt engineering, or AI/ML tools is a plus.

• Familiarity with agentic frameworks (e.g., LangChain, CrewAI) is a bonus.

• Strong understanding of CI/CD, observability, and DevOps practices.

• Excellent problem-solving and communication skills.

Bonus Points:

• Experience modernizing legacy systems or working on payment platforms.

• Contributions to internal tools or AI-driven developer productivity initiatives.

• Passion for mentoring and growing as a technical leader.

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.  
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:
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 inclusive of all people.

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.

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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.

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For information about PTO, see https://one.walmart.com/notices.

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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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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.

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For information about benefits and eligibility, see One.Walmart.

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The annual salary range for this position is $90,000.00-$180,000.00

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Additional compensation includes annual or quarterly performance bonuses.

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Additional compensation for certain positions may also include:

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- 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 3 years’ experience in software engineering or related area.Option 2: 5 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 1 year's 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...

805 Se Moberly Ln, Bentonville, AR 72712, United States of America