Software Engineer III

Walmart Global Tech; Sunnyvale (CA); On-site; USD 117,000 - 234,000; Full time

Benefits offered by this job

401(k) match

Stock purchase plan

Paid maternity and parental leave

PTO

Job summary

Walmart Global Tech in Sunnyvale, CA is seeking a Software Engineer III to design, build, and scale high-impact systems across backend services, automation, and GenAI-powered tools. This onsite role emphasizes ownership, cross‑functional collaboration, and performance.

You will work with Java/Python, REST/GraphQL, and automation frameworks to improve engineering productivity, reliability, and security at scale across Walmart’s global supply chain ecosystems.

Qualifications

• 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 RestAssured.
• 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.

Responsibilities

• 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.
• 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.
• 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.
• 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.

Skills

Java

Python

REST/GraphQL APIs

Distributed systems

Mobile/web automation

SQL/No-SQL

Communication

Education

Bachelor’s or Master’s degree in computer science or related field

Tools

Appium

XCUI Test

Selenium

Playwright

RestAssured

Job description

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 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.

DevOps & 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 RestAssured.
• 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 eCommerce, retail, or customer-facing systems.
• Strong understanding of quality engineering principles, test strategy, and defect management.

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.

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.

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

• Stock

The annual salary range for this position is $117,000.00 - $234,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :

Minimum Qualifications

• Option 1: Bachelor'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.
• Option 2: 4 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, 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.

Masters: Computer Science

Primary Location

1375 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

Walmart and its subsidiaries are committed to maintaining a drug‑free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.