Senior, Software Engineer (Android)

Walmart•Sunnyvale, CA

1d•Onsite

About The Position

As a Senior Software Engineer – Android, you will design, build, and scale customer‑facing mobile experiences powering Walmart’s Checkout pages. You’ll work on high‑impact Android applications used by millions daily, reducing friction and simplifying everyday shopping. You will own mobile design and architecture, lead early technical discovery, and collaborate with backend partners to integrate GraphQL‑based APIs. Your work transforms complex identity and payment data into intuitive, polished experiences, while championing modern Android practices, performance, accessibility, testing, and production reliability through strong engineering standards, thoughtful trade‑offs, and continuous improvement at enterprise scale across critical customer journeys and platform capabilities. Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, stores, and merchants with technological innovation. From groceries and entertainment to sporting goods and crafts, Walmart U.S. offers an extensive selection that our customers value, whether they shop online at Walmart.com, through one of our mobile apps, or in-store. Focus areas include customers, stores and employees, in-store service, merchant tools, merchant data science, and search and personalization.

Requirements

Strong experience building and shipping production‑grade Android applications using Kotlin and modern frameworks.
Hands‑on experience integrating mobile applications with GraphQL APIs, including data handling and error scenarios.
Solid understanding of Android architecture patterns, performance optimization, and the Android application lifecycle.
Experience with Kotlin (advanced) and Jetpack Compose including building adaptive, accessible, and user‑focused interfaces.
Working knowledge of modern Android concurrency patterns.
Experience collaborating closely with backend teams on API design and integration strategies.
Familiarity with CI/CD pipelines, automated testing, and observability for mobile platforms.
Strong debugging skills with the ability to navigate complex, cross‑layer issues.
Experience in‑guiding mobile‑design decisions in large‑scale, customer‑facing environment.
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.
OR 5 years’ experience in software engineering or related area.

Nice To Haves

Experience with release readiness, or similar quality and validation frameworks.
Experience with mobile automation frameworks supporting testing, release validation, or operational readiness.
Exposure to AI‑assisted developer productivity tools (e.g., code assistance, test generation, debugging).
Familiarity working with design collaboration tools such as Figma to review and implement product designs.
Knowledge of accessibility standards and inclusive mobile UI practices.
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.
Experience creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
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.

Responsibilities

Design, develop, and ship high‑quality Android applications supporting Product Detail Page customer journeys at scale.
Lead mobile integrations with GraphQL APIs, efficiently consuming identity, address, and payment data.
Lead early technical discovery for medium‑to‑large initiatives, translating product strategy into scalable Android solutions.
Drive collaboration with backend engineers to evolve API contracts serving mobile needs.
Build features using Kotlin (advanced) and Jetpack Compose with modern architecture patterns.
Apply asynchronous programming and concurrency for responsive experiences.
Own production readiness through debugging, root‑cause analysis, and stability improvements.
Ensure performance, security, reliability, and accessibility through testing and monitoring.
Lead code reviews and design discussions, influencing mobile standards.
Drive improvements in CI/CD, testing, and release quality.

Benefits

Incentive awards for performance
401(k) match
Stock purchase plan
Paid maternity and parental leave
PTO
Multiple health plans
Competitive pay
Performance-based bonus awards
Medical coverage
Vision coverage
Dental coverage
Stock options
Company-paid life insurance
Paid time off (including sick leave)
Parental leave
Family care leave
Bereavement leave
Jury duty leave
Voting leave
Short-term disability
Long-term disability
Company discounts
Military Leave Pay
Adoption and surrogacy expense reimbursement
PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
Walmart-paid education benefit program (Live Better U) for full-time and part-time associates, covering programs 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.