Senior iOS Mobile Engineer for Retail & E‑Commerce

Donato Technologies, Inc; San Ramon (CA); On-site; USD 180,000 - 235,000; Full time

Job summary

Donato Technologies Inc. is seeking a Senior iOS Mobile Developer to build scalable, consumer-focused native iOS apps.

The ideal candidate will master Swift and Objective-C, UIKit/SwiftUI, and API integration; experience with e-commerce apps and deployment via App Store Connect is highly valued. The role offers challenging projects and opportunities to optimize performance and influence product direction.

Qualifications

• 8+ years of experience in iOS native development.
• Proficient in Swift and Objective-C; strong UIKit/SwiftUI skills.
• Experience with modern iOS architectures (MVVM/MVC/Clex) and RESTful APIs.
• Knowledge of memory management, GCD/async/await, and performance optimization.
• Experience with App Store Connect, TestFlight, and deployment processes.
• Familiarity with CI/CD tools (Fastlane, Jenkins, GitHub Actions, Azure DevOps).
• Experience with Firebase Analytics/Crashlytics and mobile analytics tools.
• Strong testing experience (XCTest/XCUITest) and automated UI tests.
• Experience with offline storage, caching, and data synchronization.
• Experience with security/auth (OAuth/JWT) and secure API integration.

Responsibilities

• Build and maintain scalable native iOS apps for consumer-facing experiences.
• Integrate RESTful APIs, secure authentication, and data persistence.
• Collaborate with product, design, and backend teams to deliver features end-to-end.
• Optimize performance, memory usage, and app startup times.
• Ensure App Store deployment readiness with proper testing and release processes.

Skills

Swift

Objective-C

UIKit

SwiftUI

Core Data

Core Animation

API integration

OAuth/JWT

GCD/async-await

Memory management

Offline storage/data sync

Firebase Analytics/Crashlytics

Unit/UI Tests

App Store Connect/TestFlight

CI/CD (Fastlane/Jenkins/GitHub Actions

Git

Agile/Scrum

Tools

Xcode

App Store Connect

TestFlight

Firebase

New Relic

Job description

Donato Technologies Inc. is seeking a Senior iOS Mobile Developer to build scalable, consumer-focused native iOS apps.

The ideal candidate will master Swift and Objective-C, UIKit/SwiftUI, and API integration; experience with e-commerce apps and deployment via App Store Connect is highly valued. The role offers challenging projects and opportunities to optimize performance and influence product direction.