(USA) Senior, Software Engineer

Position Summary...

Join Walmart’s VIZIO Team as a Senior Software Engineer and lead the development of high-performance backend systems powering next-generation social and content sharing experiences. This is your opportunity to architect scalable solutions, drive innovation, and make a direct impact on millions of users through cutting-edge technology and cloud infrastructure.

What you'll do...

About Walmart/VIZIO Team:

The Walmart/VIZIO Team is a dynamic group of engineers focused on building robust, scalable platforms that enable seamless content sharing and social engagement. We operate with a product-driven mindset, leveraging modern Python frameworks and cloud technologies to deliver high-impact solutions. As a Senior Software Engineer, you’ll play a key role in shaping our backend architecture and advancing our mission to deliver best-in-class digital experiences.

What You’ll Do:

• Architect and implement scalable backend systems using FastAPI, asyncio, and Python

• Design and optimize PostgreSQL database architectures with performance tuning

• Develop data processing pipelines leveraging cloud services and storage solutions

• Implement caching strategies, rate limiting, and secure authentication mechanisms for APIs

• Drive comprehensive test coverage with unit, integration, and load testing frameworks

• Lead code reviews, technical design discussions, and mentor junior engineers

What You’ll Bring:

• 5+ years of senior-level backend development experience

• Expert-level Python programming skills with async/await patterns and concurrent programming

• Strong experience with FastAPI and advanced knowledge of PostgreSQL/SQLAlchemy

• Proven track record building high-availability, scalable API services

• Experience with serverless architecture, cloud functions, and CI/CD processes

• Expertise with pytest framework, containerization (Docker), and infrastructure automation

• Strong debugging, performance optimization, and problem-solving skills

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.

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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.

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

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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.

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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.

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

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The annual salary range for this position is $99,000.00-$198,000.00

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Additional compensation includes annual or quarterly performance bonuses.

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Additional compensation for certain positions may also include:

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• Stock

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Minimum Qualifications...

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 3 years’ experience in software engineering or related area.
Option 2: 5 years’ experience in software engineering or related area.

Preferred Qualifications...

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

Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 1 year's experience in 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.

Primary Location...

55 Madison St, Denver, CO 80206-5419, 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.