iOS Developer

iOS Developer - Job Description

Key Responsibilities:

• Design, develop, and maintain native iOS applications using Swift (5+), UIKit, and SwiftUI.
• Implement reusable UI components and modular codebases for scalability and maintainability.
• Ensure cross-version compatibility and smooth user experiences across iPhones and iPads.
• Follow SOLID principles, protocol-oriented programming, and dependency injection for testable, maintainable code.
• Participate in code reviews and enforce clean, consistent coding standards.
• Integrate RESTful and GraphQL , WebSockets using URLSession, Alamofire, or Combine frameworks.
• Manage offline data persistence through Core Data, Realm, or SQLite.
• Understand modern Swift features (e.g. async await, concurrency, actors)
• Implement robust networking and caching layers for efficient data handling and error recovery.
• Profile and optimize CPU, memory, and UI rendering using Instruments and Time Profiler.
• Implement efficient asynchronous operations using GCD, OperationQueue, and async/await.
• Enhance performance with lazy loading, batch updates, and view diffing (UICollectionViewDiffableDataSource).
• Write comprehensive unit tests and UI automation tests using XCTest, Quick/Nimble, and SnapshotTesting.
• Maintain high code coverage and enforce test-driven development (TDD) where applicable.
• Integrate testing into CI/CD pipelines using Fastlane, GitHub Action.
• Implement secure storage using Keychain Services and App Transport Security (ATS).
• Ensure secure API communication and data privacy compliance.
• Collaborate closely with backend engineers, UI/UX designers, and QA teams.

Required Qualifications:

• Expert in Swift (5+) with UIKit, SwiftUI, Auto Layout, and Diffable Data Source for complex UIs.
• Strong experience implementing MVVM, VIPER, Clean Architecture, and Coordinator pattern.
• Skilled in protocol-oriented programming, dependency injection, and SOLID principles for modular code.
• Hands-on experience with networking: URLSession, Alamofire, Combine, GraphQL, WebSockets.
• Experienced in Core Data, Realm, SQLite, and offline data management.
• Proficient in async/await, GCD, and OperationQueue for smooth concurrency and performance.
• Expertise in unit tests, UI tests, snapshot tests, and integrating CI/CD pipelines (Fastlane, GitHub Actions, Bitrise).
• Knowledge of app security, including Keychain, ATS, SSL pinning, and encryption.
• Skilled in App Store/TestFlight deployment, code signing, and versioning.
• Experience with analytics and monitoring: Firebase, Crashlytics, Sentry, AppCenter.
• Familiar with additional Apple frameworks: Core Animation, Core Graphics, AVFoundation, MapKit, UserNotifications..

Preferred Qualifications:

• Experience with modular app architecture or multi-target projects.
• Exposure to CloudKit, Push Notifications, or App Extensions.
• Familiarity with dependency management tools such as Swift Package Manager or CocoaPods.
• Experience working in Agile/Scrum environments.

Education:

• Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent practical experience).

About 1840 & Company