Senior, Software Engineer - Ios

Walmart Walmart · Retail · Sunnyvale, CA

Senior Software Engineer for iOS at Walmart, focusing on the Product Details Page Customer Experience. The role involves designing, developing, and optimizing high-performance iOS applications using Swift and SwiftUI, collaborating with cross-functional teams, and mentoring junior engineers. Responsibilities include leading project discovery, troubleshooting issues, providing mobile engineering support, managing projects, and ensuring code quality through testing and reviews.

What you'd actually do

  1. Lead the discovery phase of medium to large Mobile Engineering projects by collaborating with cross-functional teams to determine project strategy; interpreting strategy into sustainable mobile solutions; and obtaining cross-functional approvals.
  2. Troubleshoot business and production issues for mobile devices by gathering and evaluating information (for example, issue, impact, criticality, possible root cause); engaging support teams to assist in the resolution of issues; analyzing issues based on expert knowledge of mobile devices and programming; formulating and implementing an action plan; interpreting results to determine further action; performing root cause analysis across multiple mobile devices to prevent future occurrence of issues; and completing online documentation.
  3. Provide mobile engineering support to the business by responding to user questions, concerns, and issues (for example, technical feasibility, implementation strategies); forecasting for future technologies; identifying short- and long-term solutions; facilitating resolution development; and leading cross-functional partnerships to implement resolutions.
  4. Lead small project teams for Mobile Engineering projects by providing direction regarding project plan; identifying short- and long-term solutions and timelines; providing guidance regarding project issues or roadblocks; reviewing and providing feedback for proposed solutions; and performing design and code reviews of changes.
  5. Manage medium- to large-scale projects for Mobile Engineering by collaborating with cross-functional teams to review project requirements; translating requirements into mobile solutions for multiple operating systems (for example, iPhone, Android); gathering requested information (for example, design documents, product requirements, wire frames); writing and developing code (for example, JavaScript) that can be applied to multiple types of mobile devices; integrating solutions to ensure they are applicable to multiple operating systems; developing user interface solutions; conducting testing to ensure solution is functional; communicating project status to team members and stakeholders; determining solutions to issues; enhancing design to prevent reoccurrence of defects across multiple devices; ensuring on-time delivery; and collaborating with project managers to provide guidance on project implementation plan.

Skills

Required

  • 5+ years of experience building iOS applications using Swift, SwiftUI, and modern architectural patterns (MVVM, VIPER, Clean Architecture, Coordinators).
  • Expertise with iOS SDK, UIKit, Swift Concurrency (async/await), and Combine frameworks.
  • Experience integrating with backend APIs (REST, GraphQL, JSON, HTTP) and familiarity with Node.js services.
  • Deep understanding of software design principles, data structures, algorithms, and distributed systems.
  • Strong debugging, performance monitoring, and optimization skills, including memory management and app stability improvement.
  • Proficiency in writing unit and UI tests, automating workflows, and conducting code reviews to maintain code quality.
  • Familiarity with third-party libraries and dependency managers (CocoaPods, Swift Package Manager, Carthage).
  • Ability to translate wireframes and designs into pixel-perfect views using Auto Layout and SwiftUI.
  • Excellent collaboration and decision-making skills in fast-paced, cross-functional environments.

What the JD emphasized

  • Immigration sponsorship is not available in this role