Software Engineer III

Reference: R-2558540

Posted:

Location:

SUNNYVALE, CA, United States Salary: $117000 - $234000/year

Type:
Full time / Regular/Permanent Company:
Walmart Business Segment:
Home Office 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 Supply Chain 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 Warehouse Management/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.

Program Monitoring & Quality Governance Track program metrics, report progress, and ensure adherence to milestones and quality standards.

Perform root-cause analysis, defect management, and regression testing.

Drive continuous improvement across engineering processes, tools, and automation pipelines.

Dev Ops & Operational Excellence:
Monitor application performance, logs, telemetry, and system health.

Perform maintenance, debugging, and re-engineering activities across backend and QE systems.

Evaluate change requests and ensure compliance with security, quality, and operational standards.

What You'll Bring:5+ years of experience in Full stack engineering, automation, or quality engineering.

Bachelor’s or master’s degree in computer science or related field.

Strong experience with Java and Python, or similar languages.

Hands-on experience with REST/GraphQL APIs, distributed systems, and backend automation with Rest Assured.

Experience with mobile/web automation frameworks (Appium, XCUI Test, Selenium, Playwright).Strong working knowledge of SQL and No-SQL persistence approaches

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

Excellent communication, collaboration, and problem-solving skills.

Preferred

Experience 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…