SOFTWARE ENGINEER III (iOS Engineer)

Position Summary...

What you'll do...

About Team

Sam’s club is a membership-based retail warehouse club owned and operated by Walmart.  With more than 600 physical clubs across different geographic region in US, Sam’s Club chain serves more than 50 million US members and is rated among the top retailers in US. 

You will work closely with Business team to understand the requirements, drive design, architecture and influence the choice of technology to deliver solution working closely with senior architects and leadership team. 

Join our young, highly energetic and dynamic team, and take part in defining the new age e-commerce and in club shopping experience. You will also have challenging opportunities to cross-collaborate with inter-disciplinary product and engineering teams to solve some of the unique challenges in multi-channel shopping experience. 

What you will do

• Develop, test, and deploy high-quality iOS applications that scale to millions of members.
• Collaborate with product managers, designers, and backend engineers to deliver seamless mobile experiences.
• Drive technical discussions, provide recommendations on solution design, and ensure alignment with Walmart’s engineering standards.
• Write clean, modular, and testable code with a strong emphasis on maintainability and performance.
• Debug, troubleshoot, and optimize mobile applications to ensure robust and responsive user experiences.
• Participate in code reviews, mentor junior engineers, and contribute to continuous improvement of team practices.
• Support integration of mobile solutions with microservices, APIs, and backend systems.        

What you will bring

Bachelor’s degree incomputer science or related field with3–6 years of mobile engineering experience, with at least 3 years focused oniOS application development.

• Expertise in developingiOS mobile appsusingSwift and Objective-C, along with a strong understanding of mobile app design principles and user experience (UX) considerations.
• Deep knowledge of the iOS SDK, Apple's Human Interface Guidelines (HIG), Design and Architecture Patterns(MVC, MVVM, VIPER, Clean Architecture), and testing frameworks (XCTest, XCUITest).
• Proven experience collaborating with cross-functional teams — including product, design, and backend — to plan and deliver new features.
• Track record of ensuring performance, quality, and responsiveness of iOS applications across various Apple devices and OS versions.
• Knowledge on REST APIs and GraphQL for backend integrations — including a solid understanding of general best practices, limitations, and trade-offs of each approach.
• Experience with offline storage (Core Data, Realm, SwiftData), local caching, and asynchronous programming(async/await, Combine, GCD).
• Familiarity with push notifications and cloud messaging APIs (APNs — Apple Push Notification service, Firebase Cloud Messaging).
• Conducting thorough code reviews, maintaining code quality, and ensuring adherence to team coding standards and Apple platform conventions.
• Experience with CI/CD pipelines for iOS — including tools such as Git, Jenkins, GitHub Actions, Fastlane, and Xcode Cloud — for building, testing, and deploying applications.
• Familiarity with App Store Connect, TestFlight, and broader Apple Developer tools (Instruments, Xcode Organizer, Simulator).
• Solid understanding of mobile security practices, performance optimization, and memory management in iOS environments (ARC, retain cycles, profiling with Instruments).
• Knowledge of Swift Package Manager (SPM) and dependency management is a plus.
• A continuous learner with strong problem-solving skills, keen attention to detail, and a customer-first mindset.
• Good understanding of Swift Concurrency: : Deep understanding of Task, structured concurrency, actors, @MainActor, Sendable, cancellation, task priorities, and avoiding data races.
• Dependency framewrok evaluation: Evaluating internal SDKs for security, maintenance, licensing, performance, binary size, and long-term compatibility.
• Apple platform depth — background execution, deep/universal links, extensions/widgets, app lifecycle, signing/provisioning, and entitlements.
• Active participation in the full iOS development lifecycle — including sprint planning, feature development, testing, App Store submission, and production monitoring.
• Providing technical guidance and mentorship to fellow engineers on iOS best practices and Swift idioms.
• Strong communication and collaboration skills, with the ability to work effectively across cross-functional teams in a fast-paced environment.

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 sets us apart, and we know being together helps us innovate, learn and grow great careers. This role is based in our Chennai office for daily work, with the flexibility for associates to manage their personal lives.

Benefits

Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more.

Belonging

We aim to create a culture where every associate feels valued for who they are, rooted in respect for the individual. Our goal is to foster a sense of belonging, to create opportunities for all our associates, customers and suppliers, and to be a Walmart for everyone.

At Walmart, our vision is "everyone included." By fostering a workplace culture where everyone is—and feels—included, everyone wins. Our associates and customers reflect the makeup of all 19 countries where we operate. By making Walmart a welcoming place where all people feel like they belong, we’re able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.

Equal Opportunity Employer

Walmart, Inc., is an Equal Opportunities 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

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Primary Location...