Senior iOS Engineer: Scalable Commerce Apps

Concentrix; Frisco (TX); On-site; USD 92,000 - 135,000; Full time

Job summary

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.

You will work within a cross-functional commerce pod alongside Android, backend, product leadership, design, quality engineering, security, and data teams.

Qualifications

• 7+ years of professional iOS development experience with ownership of production apps.
• Advanced proficiency in Swift, SwiftUI, UIKit, Xcode, iOS SDK, and modern Apple practices.
• Experience delivering mobile capabilities for a large user base with reliability and performance.

Responsibilities

• Design, build, and maintain production-scale iOS features using Swift, SwiftUI, UIKit.
• Deliver commerce capabilities across discovery, catalog, offers, cart, checkout, and payments.
• Own end-to-end technical delivery from design to production readiness and monitoring.
• Shape mobile architecture with modular design, protocols, and reusable frameworks.
• Integrate secure REST/GraphQL services with robust error handling and offline support.
• Improve performance, memory, battery, networking, and responsiveness for high-volume apps.
• Ensure security through Token handling, Keychain, and privacy controls.
• Lead code quality via unit/integration/UI tests and code reviews.
• Strengthen observability with logging, tracing, and production dashboards.
• Collaborate with Android/backend to align APIs and domain models.
• Support releases through CI/CD, feature flags, phased rollouts, and App Store readiness.
• Mentor engineers, document decisions, and raise engineering standards across the pod.

Skills

Swift

SwiftUI

UIKit

Xcode

iOS SDK

Structured concurrency

MVVM

VIPER

Clean Architecture

Coordinator pattern

Dependency injection

REST/GraphQL

GraphQL

Auth flows

JSON models

Caching

Pagination

Retries

Error handling

Memory management

Multithreading

Accessibility

Localization

XCTest

XCUITest

Test design

Git

CI/CD

App Store release

Job description

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.

You will work within a cross-functional commerce pod alongside Android, backend, product leadership, design, quality engineering, security, and data teams.