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:The Principal, Software Engineer leads the technical vision and architecture for the next generation of AI-powered seller support experiences at Walmart Marketplace. You will drive the design of scalable, distributed systems and agentic AI workflows that empower support associates and sellers, reducing resolution time while improving customer satisfaction.
You will partner across Engineering, Product, Data Science, and Operations to define long-term architecture, mentor senior engineers, and deliver highly available platforms that power intelligent automation across case management, guided workflows, and seller support.
What You'll Do: - Define the technical strategy and architecture for large-scale Marketplace Support platforms.
- Lead the design and implementation of AI/LLM-powered agentic workflows and intelligent automation.
- Build resilient, scalable, and observable distributed systems handling millions of seller interactions.
- Drive engineering excellence through architecture reviews, design standards, and technical mentorship.
- Partner with Product, Data Science, and Operations to translate business problems into scalable platform capabilities.
- Influence engineering roadmaps across multiple organizations and lead cross-functional technical initiatives.
- Champion platform reliability, performance, security, and operational excellence.
- Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable success metrics.
- Foster continuous improvement through innovation, knowledge sharing, and adoption of emerging technologies.
What You'll Bring: - 13+ years of professional software engineering experience, with deep expertise in Java, Python, AI solutions, big data platforms, Azure Cosmos DB, and large-scale rack system development.
- Extensive experience in platform engineering leadership, delivering scalable, cloud-native architectures and reusable tooling.
- Proven ability to drive full software development lifecycle, including coding, testing, CI/CD deployment, and incident response.
- Expertise in designing distributed systems optimized for real-time data processing and AI/ML integration.
- Strong technical judgment with a focus on architectural decision-making and long-term system evolution.
- Proficiency in AI agents, model-driven design, and cloud computing architecture.
- Demonstrated leadership in mentoring engineers and fostering engineering excellence.
- Effective collaboration and communication skills with cross-functional teams.
- Commitment to continuous improvement and innovation in engineering processes.
Preferred Experience and Qualifications: - E-commerce domain experience strong preferred.
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.
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...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.
