(USA) Software Engineer III

Location: DALLAS, TX
Career Area: Software Development and Engineering
Job Function: Software Engineering and Architecture
Employment Type: Regular/Permanent
Position Type: Salary
Requisition: R-2218972

Join Walmarts high-impact AI Platform team as a Senior Software Engineer, driving the next generation of multimodal, LLM-powered experiences. This is a unique opportunity to lead projects that blend cutting-edge AI, cloud infrastructure, and scalable backend engineeringall while shaping solutions used by millions. If youre passionate about delivering innovative technology with real-world impact, we want to meet you.

Our engineering team builds Walmarts core AI platform, powering seamless, intelligent customer experiences at massive scale. We operate at the intersection of modern Python microservices, advanced cloud AI integrations, and top-tier observability practices. In this role, youll collaborate cross-functionally to deliver robust, efficient, and secure platform solutionsdirectly influencing Walmarts digital transformation.

• Lead design, implementation, and optimization of backend services for AI/ML workflows
• Develop and scale LLM integration layers, vector search, and embedding pipelines
• Oversee robust error handling, retries, caching, and observability (metrics, logging, tracing)
• Drive code quality through reviews, testing, and CI/CD best practices
• Partner on system architecture and technical decisions with engineering and product teams

• 5 years of advanced Python development (async/await); strong API experience (FastAPI, Django, or similar)
• Proven experience with LLMs, prompt engineering, and vector databases
• Expertise in cloud platforms (Azure, GCP, or AWS) and distributed systems
• Strong testing background (pytest/unit/integration); observability tooling proficiency
• Familiarity with front-end development (JavaScript/HTML) and security best practices for AI 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.

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 here.

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.

For information about benefits and eligibility, see One.Walmart.

The annual salary range for this position is $90,000.00-$180,000.00

Additional compensation includes annual or quarterly performance bonuses.

Additional compensation for certain positions may also include:

• Stock

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 2 years experience in software engineering or related area.
Option 2: 4 years experience in software engineering or related area.

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Customer Service, 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 Walmarts accessibility standards and guidelines for supporting an inclusive culture.

Masters: Computer Science

14901 Quorum Dr, Dallas, TX 75254-7521, United States of America

We were founded on a belief that everyone deserves better technology for the best value. Over 20 years later, our passion is stronger than ever. At VIZIO, we invest in our talent at our headquarters in Irvine and in our offices around the US -- from Denver to Seattle and New York to Dallas. Were united by our passion to bring the most detailed picture, highest-fidelity audio, and the best entertainment experience for all.