> Markdown version of [/jobs/ext/2225035-sr-ios-developer](https://www.wearedevelopers.com/jobs/ext/2225035-sr-ios-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. iOS Developer - **Company:** Concentrix Corporation - **Location:** California City, CA, United States (Remote available) - **Experience:** Expert - **Salary:** $92,250.0 - $135,000.0 - **Contract:** Permanent contract - **Skills:** Multitier Architecture, A/B Testing, Apple Xcode, Application Frameworks, Application Lifecycle Management, App Store (IOS), User Authentication, Static Program Analysis, Code Review, Continuous Integration, Dependency Injection, Memory Management, Fraud Prevention and Detection, IOS SDK, JSON, Microsoft UI Automation, Modular Design, Model View ViewModel, PCI Data Security Standards, Scrum Methodology, Regression Testing, Mockito, Secure Coding, Systems Integration, Privacy Controls, Datadog, Data Logging, Uikit, Multithreading, Swiftui, Concurrency, Ios Frameworks, Caching, Swift (Programming Language), Firebase, Backend, Git, Event Driven Architecture, Git Flow, Information Technology, Performance Monitor, Codebase, Graphql, Restful APIs, Pagination, Marketplace, Splunk, New Relic (SaaS), Xctest, Api Management - **Published:** August 25, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/pf1uz2biom ## About the Role Concentrix is seeking a highly experienced Senior iOS Developer to design, build, and enhance commerce experiences. The role requires deep iOS engineering expertise and a proven ability to develop secure, reliable, high-performing mobile capabilities for an application connecting millions of users., * 7+ years of professional iOS development experience, including significant ownership of complex production applications. * Advanced proficiency in Swift, SwiftUI, UIKit, Xcode, iOS SDK, structured concurrency, and modern Apple development practices. * Demonstrated experience designing and delivering mobile capabilities for a large customer base, with strong attention to reliability, performance, and operational readiness. * Strong knowledge of mobile architecture patterns such as MVVM, VIPER, Clean Architecture, coordinator patterns, protocol-oriented design, and dependency injection. * Hands-on experience integrating RESTful or GraphQL services, authentication flows, JSON data models, caching, pagination, retries, and failure handling. * Strong understanding of memory management, application lifecycle, multithreading, networking, accessibility, localization, and responsive UI implementation. * Experience with XCTest, XCUITest, automated regression testing, mocking, test doubles, and maintainable test design. * Experience with Git-based development, pull-request reviews, branching strategies, CI/CD pipelines, and App Store release processes. * Ability to troubleshoot complex production issues using logs, metrics, crash reports, traces, and customer-impact data. * Excellent communication and collaboration skills in Agile/Scrum teams, including estimation, refinement, sprint planning, demonstrations, and retrospectives. Preferred Qualifications * Experience developing commerce, marketplace, payment, loyalty, rewards, subscription, retail, or telecom applications. * Experience with applications serving millions of customers or supporting high-volume transactional journeys. * Knowledge of payment tokenization, PCI-DSS considerations, mobile fraud controls, secure storage, and privacy-by-design practices. * Experience with modular iOS codebases, Swift Package Manager, reusable design systems, feature flags, and progressive delivery. * Experience with performance and observability platforms such as Firebase, Datadog, New Relic, Splunk, or equivalent tools. * Familiarity with event-driven architectures, analytics event schemas, experimentation, A/B testing, and real-time customer events. * Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or equivalent practical experience. * Previous T-Mobile, telecom, or high-transaction-volume consumer application experience., For more information regarding your EEO rights as an applicant, please visit the following websites: * English * Spanish, In accordance with federal law, only applicants who are legally authorized to work in the United States will be considered for this position. Must reside in the United States or have a valid U.S. address for residence. ## Description You will work within a cross-functional commerce pod alongside Android engineers, backend engineers, product leadership, design, quality engineering, security, and data teams. You will contribute to customer journeys across product discovery, offers, marketplace, checkout, payments, loyalty, order management, and fulfillment while helping establish engineering standards for a large-scale mobile platform., * Build large-scale iOS experiences by designing, developing, testing, and maintaining production-grade features using Swift, SwiftUI, UIKit, and modern Apple frameworks. * Deliver commerce capabilities spanning product discovery, catalog, offers, promotions, cart, checkout, payments, loyalty and rewards, order status, and fulfillment. * Own technical delivery from solution design and estimation through implementation, testing, release readiness, production validation, and operational support. * Shape mobile architecture through modular design, protocol-driven components, dependency management, reusable frameworks, and clear separation of concerns. * Integrate enterprise services using secure REST or GraphQL APIs, asynchronous networking, authentication, caching, error handling, and resilient offline-aware patterns. * Engineer for scale by optimizing startup time, rendering, memory, battery, network usage, concurrency, and responsiveness for a high-volume consumer application. * Protect transactional journeys by applying secure coding, Keychain storage, token handling, privacy controls, fraud-prevention integration, and payment security practices. * Improve quality through unit, integration, snapshot, and UI automation testing, effective code reviews, static analysis, and measurable quality gates. * Strengthen observability with analytics, structured logging, crash reporting, tracing, performance monitoring, dashboards, and actionable production alerts. * Collaborate across platforms with Android and backend engineers to align API contracts, domain models, edge cases, and consistent customer behavior. * Support reliable releases through CI/CD, feature flags, phased rollouts, App Store readiness, production monitoring, incident response, root-cause analysis, and corrective actions. * Lead through influence by mentoring engineers, facilitating technical discussions, documenting decisions, and raising engineering standards across the pod. ## Related Videos - [SwiftUI In Production](https://www.wearedevelopers.com/videos/134-swiftui-in-production) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Unsolved mysteries between Usability and Accessibility in iOS](https://www.wearedevelopers.com/videos/737-unsolved-mysteries-between-usability-and-accessibility-in-ios) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) ## Related Articles - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Flutter Developer Salary [2023]](https://www.wearedevelopers.com/magazine/199-flutter-developer-salary-2023) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)