Principal Software Engineer - Tech

(USA) Principal Software Engineer - Tech

Multiple locations Regular/ Permanent Salaried

Position Summary...

What you'll do...

Role summary:
As a Principal Software Engineer – Mobile, you will shape the next generation of AI-powered shopping experiences across Walmart's iOS and Android apps. You'll define architecture, establish reusable mobile patterns, and lead complex initiatives that bring Generative AI into shopping journeys used by millions of customers. Working at the intersection of native mobile, AI, and commerce, you'll partner across engineering, product, design, data science, and AI platform teams to turn rapidly evolving AI capabilities into intuitive, performant, and reliable customer experiences at Walmart scale.

About the team:
Our team builds AI-powered shopping experiences that make shopping at Walmart more intuitive, personalized, and actionable. We're focused on making AI useful throughout the shopping journey —from discovery and decision-making to planning, purchasing, and completing actions for customers. We operate at the intersection of AI, mobile, and commerce, combining the speed and experimentation of an AI organization with the scale and engineering challenges of one of the world's largest consumer platforms.

What you'll do:

• Define architecture for AI-powered experiences across Walmart's iOS and Android apps.
• Build AI-native patterns spanning conversational, generative UI, multimodal, and agentic experiences.
• Create reusable mobile frameworks that enable AI across the shopping journey.
• Solve challenges involving streaming, dynamic UI, context, performance, reliability, and application lifecycle.
• Drive architecture across Swift/SwiftUI and Kotlin/Jetpack Compose.
• Partner across mobile, AI/ML, backend, data science, product, and design.
• Lead complex cross-team initiatives and architecture reviews.
• Mentor engineers and raise the technical bar across the organization.

What you'll bring:

• Deep experience building large-scale native iOS and/or Android applications.
• Expertise in Swift/SwiftUI and/or Kotlin/Jetpack Compose and modern mobile architecture.
• Track record of designing reusable platforms, frameworks, or capabilities used across teams.
• Experience defining technical strategy and leading complex, cross-organizational initiatives.
• Strong understanding of distributed systems, performance, reliability, and mobile/backend architecture.
• Experience with Generative AI, LLMs, conversational, multimodal, or agentic systems is highly desirable.
• Strong product instincts and ability to translate emerging technology into intuitive experiences.
• Proven technical leadership, influence, and mentorship at scale.

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.

Primary Location...

1375 Crossman Ave, Sunnyvale, CA , 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.