Principal, Software Engineer

Position Summary...

What you'll do...

• Immigration sponsorship is not available for this role
• This is a full-time, onsite role at our Seattle, WA office.
• This position is not eligible for remote work.

Role Summary: Walmart/VIZIO is seeking a Principal Software Engineer to help lead the architecture and technical direction of scalable, secure, and high-performance software systems. This role operates at a strategic level, driving the design and evolution of distributed platforms while influencing multiple engineering teams. As a Principal Engineer, you will serve as a technical leader, partnering with engineering, product, and business stakeholders to align long-term technical strategy with organizational goals. You will help guide complex system design, ensure engineering excellence, and deliver solutions that impact millions of users globally. About the Team: Our Software and Services team builds robust, scalable platforms that power Walmart/VIZIO’s digital transformation and customer experiences. We focus on delivering high-quality software through strong collaboration, standardized practices, and modern cloud-native technologies. We foster a supportive and open engineering culture where teams work together to solve complex problems, improve developer productivity, and continuously evolve our platform capabilities. Our engineers are empowered to influence not just code, but system design, architecture, and long-term strategy. What You’ll Do:

• Define and drive technical strategy and architecture across multiple teams and systems.
• Help design and oversee scalable distributed systems, APIs, and data platforms with a focus on performance, reliability, and security.
• Lead design reviews and help guide critical technical decisions across the organization.
• Ensure systems are observable, resilient, and maintainable, leveraging strong CI/CD and automation practices.
• Identify and resolve scalability challenges, performance bottlenecks, and technical risks.
• Collaborate with product and business stakeholders to translate strategic goals into technical solutions.
• Influence and align multiple teams on architecture, dependencies, and execution plans.
• Champion engineering best practices, including code quality, testing strategies, and DevOps maturity.
• Mentor junior and senior engineers, fostering technical growth and leadership development.

What You’ll Bring:

• Bachelor’s or Master’s degree in Computer Science (or equivalent experience).
• 10+ years of software engineering experience, with significant time operating at a senior or staff level.
• Expert proficiency in .NET and C#, with deep knowledge of system design and software architecture.
• Strong experience with:
  • Relational databases (PostgreSQL, MySQL)
  • NoSQL/datastores (MongoDB, DynamoDB, Redis, Elasticsearch)
• Proven experience building and scaling microservices and distributed systems.
• Strong expertise in cloud platforms (AWS and/or Azure) and modern DevOps practices (CI/CD, IaC).
• Exceptional ability to troubleshoot, debug, and optimize performance in complex systems.
• Demonstrated ability to lead through influence, driving alignment across teams without direct authority.
• Excellent communication skills, with the ability to convey complex technical concepts to diverse audiences.
• Strong analytical mindset with a track record of solving ambiguous, large-scale engineering problems.

Equal Opportunity Employer:Walmart 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.#LI-onsiteAt 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. For information about benefits and eligibility, see One.Walmart. The annual salary range for this position is $132,000.00 - $264,000.00 Additional compensation includes annual or quarterly performance bonuses.Additional compensation for certain positions may also include : - 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 5 years’ experience in software engineering or related area.Option 2: 7 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 3 years' 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...

300 Elliott Ave W, Seattle, WA 98119-4136, United States of AmericaWalmart 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.