(USA) Senior, Software Engineer
Software Engineering
Sunnyvale, CA, USA
Position Summary...
What you'll do...
Role Summary
As a Senior Android Engineer at Walmart, you will build and evolve high-performance native Android applications that power Walmart Marketplace's pre-purchase shopping experiences. You will lead the design and implementation of scalable, maintainable, and performant mobile solutions while partnering closely with Product, Design, Backend, and cross-platform engineering teams.
You will own complex technical initiatives from architecture through production, ensuring exceptional user experience, application reliability, and engineering quality. You will leverage modern Android technologies and AI-assisted development practices to improve engineering productivity, code quality, and customer outcomes. As a senior engineer, you will mentor teammates, drive technical excellence, and influence the long-term evolution of Walmart's mobile platform.
About the Team
Our team builds the Android experiences that power Walmart Marketplace's customer discovery journey, including Search, Browse, Item Pages, Seller Pages, and other pre-purchase experiences within the Walmart app.
We focus on delivering fast, intuitive, and reliable mobile experiences that help customers discover products, evaluate sellers, and shop with confidence. By partnering with platform, backend, and product teams, we build scalable mobile solutions that improve engagement, trust, conversion, and overall Marketplace growth.
What You'll Do
• Design, develop, and maintain high-quality native Android applications using Kotlin and modern Android development best practices.
• Own end-to-end delivery of complex features, from technical design and implementation through testing, rollout, monitoring, and ongoing support.
• Build responsive, performant, and accessible user experiences using Jetpack Compose and modern Android architecture patterns.
• Develop clean, modular, and testable code following MVVM/MVI architectures, dependency injection, and Android best practices.
• Collaborate closely with Product Managers, UX Designers, Backend Engineers, and cross-functional teams to translate business requirements into scalable technical solutions.
• Participate in architecture discussions, design reviews, and code reviews to maintain engineering quality and platform consistency.
• Optimize application startup time, rendering performance, memory usage, networking, and battery efficiency.
• Implement robust testing strategies including unit tests, UI tests, integration tests, and automated CI/CD pipelines.
• Integrate APIs, offline data synchronization, push notifications, deep linking, analytics, feature flags, and experimentation frameworks.
• Leverage AI-assisted engineering tools and generative AI technologies to improve developer productivity, software quality, and development velocity.
• Monitor production health using crash reporting, observability, performance metrics, and logging tools to proactively resolve issues.
• Mentor junior engineers, contribute to technical documentation, and promote engineering best practices across the organization.
What You'll Bring
• Strong experience building and shipping large-scale native Android applications using Kotlin.
• Experience with Jetpack Compose, Android SDK, Android Jetpack libraries, and modern Android architecture components.
• Deep understanding of Android application architecture, including MVVM/MVI, dependency injection (Hilt/Dagger), Coroutines, and Flow.
• Experience integrating RESTful APIs, GraphQL services, authentication, offline-first data synchronization, push notifications, and deep linking.
• Strong knowledge of performance optimization, memory management, threading, networking, and application lifecycle management.
• Experience with automated testing frameworks including JUnit, Espresso, Compose UI Testing, and Mockito.
• Familiarity with CI/CD pipelines, Git, Gradle, code quality tools, and release management.
• Experience working with analytics, feature flagging, A/B experimentation, crash reporting, and application observability tools.
• Demonstrated ability to lead technical design discussions, influence architectural decisions, and deliver complex cross-team initiatives.
• Excellent communication skills with the ability to collaborate effectively across engineering, product, and design organizations.
• Experience leveraging AI-powered developer tools and integrating AI/ML capabilities into mobile applications is a plus.
• Passion for building customer-centric mobile experiences with a strong focus on performance, quality, accessibility, and engineering excellence.
About Walmart Global Tech
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.
Walmart’s culture is a competitive advantage, and it’s fostered by being together. Working together in person allows us to collaborate, align quickly and innovate with greater speed. We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates.
Our hubs: Walmart is a global company with offices across the United States and around the world. Our global headquarters is in Bentonville, Arkansas, with primary hubs in the San Francisco Bay area and New York/New Jersey.
Benefits:
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.
Equal Opportunity Employer:
Walmart, Inc. is an Equal Opportunity Employer – By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing unique styles, experiences, identities, ideas, and opinions – while being inclusive of all people.
The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.
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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 3 years’ experience in software engineering or related area.Option 2: 5 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 1 year's 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.