Walmart

Principal, Software Engineer

Walmart$110K — $220K *
Consumer Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10+ years in software engineering with 5+ years in frontend/mobile development.
  • Deep expertise in React Native, Expo, JavaScript/TypeScript.
  • Proven experience delivering scalable consumer-facing mobile apps.
  • Strong knowledge of mobile OS internals (iOS/Android project structures).
  • Familiarity with deploying AI developer tools (Agentic AI, MCP) in engineering.

Responsibilities

  • Lead engineering teams through technical direction and architectural guidance.
  • Collaborate with stakeholders to define technical strategies and validate solutions.
  • Architect and scale React Native applications using Expo and modern languages.
  • Establish best practices for performance optimization and iOS/Android integrations.
  • Mentor engineers in mobile development fundamentals to foster excellence.
  • Oversee lifecycle management of mobile applications, including CI/CD.
  • Utilize AI tooling to improve code quality and accelerate delivery.

Benefits

  • Medical, vision, and dental coverage.
  • 401(k) with company match and stock purchase options.
  • Paid time off including sick leave, parental leave, and bereavement.
  • Education benefits covering tuition and fees for various programs.
  • Access to company discounts and Military Leave Pay.
Full Job Description
Position Summary...

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 :

- Stock








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

About Walmart

WalmartLabs is accelerating their development to redefine the shopping experience to meet the changing needs of our customers wherever they are —in a store, on our website, or on their mobile device.

Walmart Careers

Joining Walmart means becoming part of a world-renowned team that leads with innovation and is committed to creating impact. As the largest retailer globally, Walmart offers unparalleled job opportunities and career growth in an environment that values diversity and leadership. Work You’ll Do At Walmart, you will be part of a dynamic team that drives our mission to help people save money so they can live better. Engage in work that matters with a company that offers both stability and the flexibility to explore different career paths. Transform the retail landscape with your skills and help shape the future of millions of customers worldwide. Walmart is at the forefront of combining retail with advanced technology, making it an exciting place for professional growth and innovation. Lead with Us Step into a role that harnesses your potential and places you at the intersection of retail and technology. Walmart is not just a company; it's a community where you can develop your leadership skills and contribute to a culture that nurtures professional growth. Work with a diverse team of experts who bring a wealth of knowledge and experience to the table. Our commitment to diversity training ensures that all team members are valued and can thrive. Walmart Careers and Employment Opportunities We are continuously expanding our team to include enthusiastic professionals eager to drive change and make a significant impact. Explore a range of positions from entry-level to executive, each offering competitive benefits and the opportunity to advance. Innovate with Us Join Walmart and be part of a team that is dedicated to innovation and excellence. With over 2.3 million associates worldwide, you are joining the largest private employment group, ready to innovate, lead, and impact the global market. Internship Programs Kickstart your career with a Walmart internship. Gain invaluable experience, build your resume, and develop networking connections that will empower your career journey. Our internships provide a platform to apply your academic knowledge in real-world scenarios, preparing you for future employment. Be Part of a Great Team At Walmart, our team is our strength. We invest in our employees through robust training programs, leadership development, and opportunities for career advancement. Enjoy the benefits of working in a supportive and inclusive environment where every member’s contribution is valued. Future-Proof Your Career Your journey at Walmart can be as vast as your ambitions. With endless opportunities to grow, learn, and lead, you can take your professional experience to new heights. Benefit from our comprehensive training programs and develop the skills needed for tomorrow’s challenges. Stay Connected Join Our Team Search open positions that match your skills and interests. We are looking for passionate, curious, creative, and solution-driven team players. Explore the diverse job opportunities at Walmart and find where you can make a difference. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. READ CAREERS BLOG Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding opportunities that await at Walmart. SEARCH WALMART JOBS Join Walmart today and be part of a story of growth, innovation, and leadership.
Learn more about Walmart
Size
2,300 employees
Market Cap
$387 billion
Industry
Net Income
$13.5 billion
Founded
1962
5 Year Trend
+3.3%
Revenue
$559.1 billion
NASDAQ

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