Principal, Software Engineer– Frontend (Mobile)

Position Summary...

What you'll do...

Walmart’s Corporate Technology and Services (CTS) comprises seven specialized teams delivering advanced technology solutions that drive impact across the organization. As part of Walmart Global Tech, CTS teams uphold operational excellence and leverage emerging technologies to support millions of customers, associates, and suppliers worldwide. The team fosters innovation through expertise in software design, cloud-native architecture, DevOps engineering, and data-driven decision making. Members collaborate to develop scalable, secure, and high-quality solutions, continuously improving processes and embracing new tools to meet evolving business needs effectively.
About the Role
We are seeking a highly skilled Principal, Software Engineer– Frontend (Mobile) to lead the design and development of next-generation mobile applications. This role requires deep expertise in React, React Native, and Expo, combined with a strong grasp of modern mobile and web technologies. As a Principal Engineer, you will set technical direction, mentor engineers, and drive innovation using AI-driven developer tools (Agentic AI, MCP, LLMs) to accelerate productivity and enhance user experiences.

What You’ll Do

• Provide technical leadership: Lead teams of engineers—including offshore associates—through technical direction, architectural guidance, and solution reviews.
• Guide discovery and delivery: Partner with Product, UX, and business stakeholders to define technical strategies, validate solutions, and deliver high-impact projects.
• Own mobile development: Architect, build, and scale React Native applications using Expo, and modern JavaScript/TypeScript.
• Drive technical direction: Establish best practices for state management, performance optimization, and platform-specific integrations across iOS and Android.
• Mentor and grow teams: Coach engineers on React and mobile fundamentals, fostering a culture of technical excellence.
• Ensure reliability and scale: Oversee the full lifecycle of mobile apps, including publishing, CI/CD pipelines, and release management.
• Optimize performance: Apply advanced React Native techniques to deliver smooth, secure, and responsive apps.
• Leverage AI tooling: Utilize Agentic AI, MCP, and LLM-based developer tools to streamline workflows, improve code quality, and accelerate delivery.
• Promote collaboration: Work cross-functionally to deliver seamless, high-quality experiences to millions of users.
  

What You’ll Bring

• 10+ years of experience in software engineering with 5+ years in frontend/mobile development.
• Deep expertise in React Native, Expo, JavaScript/TypeScript fundamentals.
• Proven track record of delivering and scaling consumer-facing mobile apps, including App Store and Google Play deployments.
• Strong knowledge of mobile OS internals (iOS/Android project structures, native modules, platform integrations).
• Practical experience with React patterns, hooks, and performance optimization techniques.
• Demonstrated ability to mentor and lead teams, with excellent communication skills to convey complex technical concepts.
• Familiarity with AI developer tools (Agentic AI, MCP, LLMs) and a track record of adopting new technologies to improve engineering productivity.

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.
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 $110,000.00 - $220,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
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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...

805 Se Moberly Ln., Bentonville, AR 72712, 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.