Senior Software Engineer – iOS

Walmart

Senior Software Engineer role at Walmart focusing on developing scalable mobile apps for Last Mile Delivery. Collaborating on high-visibility projects with a team of engineers and influencing user experience.

Posted 7/31/2026full-timeChennai • 🇮🇳 IndiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Native iOS App Development, including proficiency in Swift, Rx-Swift, and Swift UI, while leading the design and architecture of scalable mobile applications. Capable of optimizing app performance and implementing clean architecture principles to enhance user experience and reliability.

Highest-signal resume keywords

Native iOS App DevelopmentSwift ProgrammingApp Performance OptimizationMVVM ArchitectureCI/CD Familiarity

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SwiftRx-SwiftCombineSwift UIMVVMMVVM-CUT FrameworkDependency InjectionClean ArchitectureUnit Testing

Soft Skills

Excellent CommunicationInterpersonal Skills

Industry Keywords

Mobile ApplicationsScalabilityUser ExperienceOpen-Source LibrariesDesign Patterns

Tech Stack

Tools & technologies

iOSSwift

About the role

Key responsibilities & impact

Taking the lead on problems related to scale & monetization
Leveraging your experience in building scalable mobile applications, improving app performance, reliability, offline capabilities, and user experience at scale
Assists in providing guidance to junior engineers, including offshore associates, for assigned Engineering projects by proving pertinent documents, directions, examples, and timeline
Provides support to the business by responding to user questions, concerns, and issues (for example, technical feasibility, implementation strategies); researching and identifying needed solutions; determining implementation designs; providing guidance regarding implications of new and enhanced systems; identifying short and long term solutions; and directing users to appropriate contacts for issues outside of associate's domain
Manages small to large-sized complex projects by reviewing project requirements; translating requirements into technical solutions; researching and identifying alternative solutions; determining needed solution based on return on investment and value add to the business; gathering requested information (for example, design documents, product requirements, wire frames); writing and developing code; conducting unit testing; communicating status and issues to team members and stakeholders; collaborating with project team and cross functional teams; identifying areas of opportunity; interpreting information and identifying a solution; ensuring solution is sustainable across implementation and use; troubleshooting open issues and bug-fixes; and ensuring on-time delivery and hand-offs
Troubleshoots business and production issues by gathering information (for example, issue, impact, criticality, possible root cause); performing root cause analysis to reduce future issues; engaging support teams to assist in the resolution of issues; developing solutions; driving the development of an action plan; performing actions as designated in the plan; interpreting the results to determine further action; and completing online documentation
Participates in the discovery phase of small to medium-sized projects to come up with high level design by partnering with the product management, project management, business, and user experience teams
Demonstrates up-to-date expertise and applies this to the development, execution, and improvement of action plans by providing expert advice and guidance to others in the application of information and best practices; supporting and aligning efforts to meet customer and business needs; and building commitment for perspectives and rationales
Provides and supports the implementation of business solutions by building relationships and partnerships with key stakeholders; identifying business needs; determining and carrying out necessary processes and practices; monitoring progress and results; recognizing and capitalizing on improvement opportunities; and adapting to competing demands, organizational changes, and new responsibilities
Models compliance with company policies and procedures and supports company mission, values, and standards of ethics and integrity by incorporating these into the development and implementation of business plans; using the Open Door Policy; and demonstrating and assisting others with how to apply these in executing business processes and practices

Requirements

What you’ll need

Working experience in Native iOS App development
Mandatory Skills - iOS, Swift, Rx- Swift, Combine & Swift UI, MVVM, MVVM-C, Understanding to UT framework
Knowledge and hands on work experience of Swift Concurrency, App Performance Optimization, Dependency Injection patterns and modular Clean Architecture
6+ years of working experience in leading the design and Architecture for Native Mobile Apps
Excellent communication, interpersonal skills and be able to articulate complex technical concepts in an approachable way for broad audiences
Demonstrated high level design of systems
Have designed, built, and maintained Native mobile apps with large customer base
Have extensive knowledge of open-source libraries, design patterns
Familiarity with CI/CD and unit testing

Benefits

Comp & perks

incentive awards for your performance
maternity and parental leave
pto
health benefits
best-in-class benefits