Software Engineer III

Walmart•Sunnyvale, CA

3d•$117,000 - $234,000•Onsite

About The Position

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.

Requirements

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, TestCafe, 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.
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.

Nice To Haves

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.
Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area
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.
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.

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 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.

Benefits

Incentive awards for performance
401(k) match
Stock purchase plan
Paid maternity and parental leave
PTO
Multiple health plans
Performance bonuses
Stock
Company-paid life insurance
Parental leave
Family care leave
Bereavement
Jury duty
Voting
Short-term and long-term disability
Company discounts
Military Leave Pay
Adoption and surrogacy expense reimbursement
PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes
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.