(USA) Principal Software Engineer - Tech

Walmart; Sunnyvale (CA); On-site; USD 95,000 - 165,000; Full time

Benefits offered by this job

Health and dental coverage

401(k) with company match

Stock purchase plan

Paid time off

Job summary

Walmart is seeking a Principal Software Engineer – Mobile to shape AI-powered shopping experiences across our iOS and Android apps. You will define architecture, build reusable mobile patterns, and lead large cross-team initiatives at scale.

You will collaborate with product, design, data science, and AI platform teams to translate evolving Generative AI capabilities into fast, reliable customer experiences. Deep native mobile expertise and leadership are essential.

Qualifications

• Bachelor's degree in computer science, software engineering, or related field.
• 5+ years of software engineering experience or 7+ years as alternative path.
• Experience shipping large-scale native mobile apps.

Responsibilities

• Define architecture for AI-powered experiences across iOS and Android apps.
• Build reusable mobile frameworks enabling AI across shopping journeys.
• Lead cross-team initiatives and architecture reviews.
• Mentor engineers and raise the technical bar across the org.
• Partner with mobile, AI/ML, backend, data science, product, and design.

Skills

Mobile apps

Swift/SwiftUI

Kotlin/Jetpack

Platform design

Technical leadership

Distributed systems

Generative AI

Product instincts

Mentorship

Education

Bachelor's degree in CS/Engineering

Tools

SwiftUI

Jetpack Compose

LLMs

Job description

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.

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.

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 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.

Benefits

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 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.

The annual salary range for this position is $95,000.00 - $165,000.00. Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include: Regional Pay Zone (RPZ) (based on location) and Stock.

For Information About Benefits And Eligibility, See One.Walmart.

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

Primary Location…

Location

1375 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

Drug-free Workplace Policy

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.