iOS Developer

iOS Developer - Job Description

We are seeking a highly skilled iOS Developer with 5+ years of experience building, maintaining, and optimizing iOS applications. The ideal candidate is passionate about creating clean, scalable, and maintainable code using modern Apple frameworks and development practices.

• 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.

• 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..

• 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.

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

About 1840 & Company

1840 & Company is a global leader in Business Process Outsourcing (BPO) and remote talent solutions, dedicated to propelling businesses forward through our comprehensive suite of services. We specialize in connecting companies with world-class freelance professionals and delivering top-tier outsourcing services, across over 150 countries worldwide.

Our mission is to empower growth for forward-thinking businesses, seamlessly bridging any skill or resource gaps with our expertly vetted talent pool. We firmly believe in fostering an environment where exceptional individuals can achieve an optimal work-life balance, working remotely from any location, while maximizing their professional growth and earning potential.

We are headquartered in Overland Park, KS, USA with service delivery facilities in the Philippines, India, Ukraine, South Africa and Argentina. We invite you to explore the opportunities we offer and consider joining our exclusive network of global freelance talent. Visit to learn more about us. To explore a wealth of career opportunities and find a role that suits your unique skills and aspirations, please visit our dedicated jobs portal at

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.