iOS Engineer – Swift & SwiftUI | Hybrid NYC Role

Seneca Resources Company, LLC; New York (NY); Hybrid; USD 107,000 - 121,000; Full time

Job summary

Seneca Resources Company, LLC is seeking an iOS Mobile Application Developer skilled in Swift, SwiftUI, and Objective-C to design, develop, and support native iOS apps in a large enterprise environment. The role emphasizes delivering high-quality, scalable mobile solutions within a hybrid NYC setting.

Requirements include hands-on iOS experience with Core Data/SwiftData, APIs, concurrency, and UI/UX development, plus strong collaboration with business stakeholders.

Qualifications

• Hands-on iOS development experience with Swift, SwiftUI, and Objective-C.
• Experience with Xcode, Instruments, and performance profiling.
• Familiarity with Core Data/SwiftData, APIs, concurrency, and mobile UI/UX development.

Responsibilities

• Design, develop, enhance, test, and maintain native iOS applications.
• Develop functionality using Swift, SwiftUI, and Objective-C.
• Use Xcode and Instruments for development, debugging, profiling, and optimization.
• Own assigned development tasks from requirements through implementation.
• Develop maintainable, reusable components and apply iOS design patterns.
• Support existing apps while developing new functionality.
• Collaborate with stakeholders to validate requirements and integrate data services.

Skills

Swift

SwiftUI

Objective-C

Xcode

Core Data/SwiftData

APIs

Concurrency

Design patterns

Testing

UI/UX

Job description

Seneca Resources Company, LLC is seeking an iOS Mobile Application Developer skilled in Swift, SwiftUI, and Objective-C to design, develop, and support native iOS apps in a large enterprise environment. The role emphasizes delivering high-quality, scalable mobile solutions within a hybrid NYC setting.

Requirements include hands-on iOS experience with Core Data/SwiftData, APIs, concurrency, and UI/UX development, plus strong collaboration with business stakeholders.