Position Summary...

What you'll do...

Staff Software Engineer – Unified Payments Platform 

As a Staff Software Engineer, you will be a key technical leader driving innovation, architecture, and execution across complex, large-scale systems. You’ll not only write code and design systems but also mentor engineers, influence cross-functional teams, and shape the future of Walmart’s Unified Payments Platform. You’ll bring deep technical expertise, a passion for scalable systems, and a forward-thinking mindset—especially in the areas of AI, LLMs, and agentic architectures.

What You’ll Do:

Lead technical strategy and architecture for critical components of the Unified Payments Platform, ensuring scalability, reliability, and performance.Mentor and guide multiple engineering teams through design reviews, code quality, and best practices.Drive AI integration by identifying opportunities to leverage Large Language Models (LLMs) and agentic systems to enhance developer productivity, system intelligence, and automation.Collaborate cross-functionally with product, UX, and business stakeholders to align technical solutions with business goals.Champion engineering excellence through hands-on development, code reviews, and continuous improvement of development processes.Lead incident response and root cause analysis for complex production issues, ensuring long-term stability and resilience.Influence platform evolution by evaluating emerging technologies and contributing to Walmart’s technical roadmap.

About the Team:

The Unified Payments team is building a cloud-native, scalable, and secure platform to handle all payment processing across Walmart’s global ecosystem—from in-store to e-commerce.This platform is central to Walmart’s digital transformation and will support billions of transactions annually.

About You:

You are a technical expert with a strong foundation in distributed systems, cloud-native architectures, and modern DevOps practices.You have hands-on experience with LLMs (e.g., OpenAI, Gemini) and understand how to integrate them into enterprise systems.You are familiar with agentic workflows and how autonomous agents can be orchestrated to perform complex tasks.You thrive in a leadership role, mentoring engineers and influencing technical direction across teams.You are passionate about building resilient, high-performance systems and continuously improving them.

Key Qualifications:

10+ years of experience in software engineering with a strong focus on backend systems and cloud platforms.Deep expertise in Java, Spring Boot, and microservices architecture.Strong knowledge of Kubernetes, Helm, and cloud platforms (GCP preferred).Experience with AI/ML integration, particularly with LLMs, vector databases, and prompt engineering.Understanding of agentic systems and orchestration frameworks (e.g., LangChain, AutoGen, CrewAI).Proficiency in DevOps, CI/CD pipelines, observability, and performance tuning.Strong communication and leadership skills with a track record of mentoring and influencing.

Bonus Points:

Experience modernizing legacy systems into cloud-native platforms.Contributions to open-source projects or AI/ML communities.Experience with payment systems or financial transaction platforms.

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 $110,000.00-$220,000.00

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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 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...

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