iOS Developer (Swift/SwiftUI) — Hybrid NYC Contract

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

Job summary

Seneca Resources is seeking an iOS Mobile Application Developer specializing in Swift and SwiftUI. The role requires hands-on coding, API integration, and a proactive approach to debugging and performance tuning.

You will work in a hybrid environment with 3 days onsite in New York, NY, and 2 days remote, contributing to a large enterprise mobile solution. The ideal candidate will have 18+ months of iOS experience, familiarity with Core Data/SwiftData, and strong knowledge of design patterns,

Qualifications

• Bachelor's degree in Computer Science or related field.
• 18+ months of professional iOS development experience.
• Hands-on experience with Swift, SwiftUI and Objective-C.
• Experience with Xcode and Instruments.
• Experience with MVC, MVVM, MV, Singleton patterns and GCD.
• Experience consuming REST APIs and JSON; GitHub and CI/CD.
• Experience with Core Data or SwiftData and persistent stores.
• Experience with testing, code reviews, and documentation.

Responsibilities

• Design, develop, enhance, test, and maintain native iOS apps.
• Develop using Swift, SwiftUI, and Objective-C; use Xcode/Instruments.
• Own development tasks from requirements to implementation.
• Collaborate with stakeholders; mentor teammates as needed.
• Integrate APIs and data services; troubleshoot production issues.
• Contribute to architectural decisions and design discussions.
• Write technical docs and participate in CI/CD releases.

Skills

Swift

SwiftUI

Objective-C

Xcode

Core Data/SwiftData

APIs

Concurrency

Design patterns

Testing

UI/UX development

Education

Bachelor's degree in Computer Science or related

Tools

GitHub

Firebase

Crashlytics

Sentry.io

Cursor

Swift Package Manager

Carthage

CI/CD

Job description

Seneca Resources is seeking an iOS Mobile Application Developer specializing in Swift and SwiftUI. The role requires hands-on coding, API integration, and a proactive approach to debugging and performance tuning.

You will work in a hybrid environment with 3 days onsite in New York, NY, and 2 days remote, contributing to a large enterprise mobile solution. The ideal candidate will have 18+ months of iOS experience, familiarity with Core Data/SwiftData, and strong knowledge of design patterns,