Software Engineer III

Position Summary...

What you'll do...

Immigration sponsorship is not available for this role. Applicants must be authorized to work for any employer in the United States without current or future visa sponsorship.

This is a full-time onsite role based in Sunnyvale, CA; remote and hybrid options are not available.

Role

Summary:

As a Software Engineer III at Walmart, you will design, build, and scale high‑impact systems across backend services, automation frameworks, and GenAI‑powered engineering tools. You will work across complex distributed systems, native mobile and web automation, and AI‑driven workflows that accelerate engineering productivity across Walmart's global eCommerce and Store ecosystems. This role is ideal for engineers who thrive in fast‑paced, cross‑functional environments and enjoy solving deep technical problems with high ownership.

What You'll Do:

GenAI Engineering

* Build and integrate AI‑powered agents, workflows, and automation systems using modern GenAI frameworks and APIs.

* Develop intelligent tools that improve engineering productivity, defect detection, and operational efficiency.

* Partner with engineering, product, and platform teams to scale GenAI adoption across the organization.

Backend Engineering & API Development

* Design, develop, and maintain high‑scale backend services, REST APIs, and automation pipelines.

* Build scripts, tools, and services that improve engineering efficiency and reduce manual effort.

* Ensure backend systems meet availability, scalability, performance, and security requirements.

* Integrate telemetry, monitoring, and CI/CD best practices into backend services.

Quality Engineering & Automation

* Build and maintain end‑to‑end automation frameworks for backend, web, and native mobile platforms.

* Write and automate test plans, test cases, and regression suites for large‑scale eCommerce applications.

* Execute functional, integration, regression, and performance testing across platforms.

* Troubleshoot automation failures and collaborate with cross‑functional teams to resolve issues.

* Improve and optimize the software development lifecycle through automation and tooling.

What You'll Bring:

* 5+ years of experience in backend engineering, automation, or quality engineering.

* Strong experience with Node.js, JavaScript, Python, or similar languages.

* Hands‑on experience with REST APIs, distributed systems, and backend automation.

* Experience with mobile/web automation frameworks (Appium, Test Cafe, XCUI Test, Espresso).

* Experience with CI/CD pipelines, and Git

* Strong understanding of system integration, debugging, and performance optimization.

* Bachelor's or master's degree in computer science or related field.

* Excellent communication, collaboration, and problem‑solving skills.

Preferred Qualifications and

Qualifications:

* Experience building or integrating GenAI‑powered applications, agents, or workflows.

* Experience designing automation frameworks for Native, Web, or Backend platforms.

* Experience with large‑scale eCommerce, retail, or customer‑facing systems.

* Strong understanding of quality engineering principles, test strategy, and defect management.

* Ability to navigate and influence large cross‑functional engineering teams.

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 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…