Objective-C Swift Application Developer

Title : Objective-C / Swift Application Developer

Location : Cupertino California

Contract role

Job Description & Skill Requirement :

Required Qualifications

5-7 years of professional iOS development experience with Swift and Objective C in production apps or SDKs.

Strong command of iOS frameworks : UIKit SwiftUI Foundation StoreKit Core Data (or alternative persistence) Core Animation Background Tasks Local Notifications.

Expertise in Swift Concurrency (async / await) and / or Combine plus legacy concurrency models (GCD NSOperation).

Proven experience building SDKs / libraries consumed by multiple apps with focus on API design semantic versioning and backward compatibility.

Deep understanding of ATT SKAdNetwork and privacy-preserving measurement; hands-on with postbacks conversion value strategies and attribution windows.

Solid networking fundamentals : request / response lifecycle caching ETags error handling and resilience patterns.

Track record of performance tuning (Instruments : Time Profiler Allocations Leaks Energy Network) memory management and binary size optimization.

Strong testing discipline : XCTest XCUITest mocks / stubs dependency injection hermetic tests and CI workflows (Xcode Cloud Jenkins GitHub Actions).

Excellent communication skills and the ability to collaborate in a cross-functional privacy-first product environment.

Technical Stack & Tools

Languages : Swift (5.x) Objective C

UI : SwiftUI UIKit Auto Layout

Concurrency : Swift Concurrency Combine GCD / NSOperation

Networking : URLSession background tasks Codable / JSON protobuf (optional)

Data : Core Data / SQLite / file-based persistence

Build & CI : Xcode SPM / CocoaPods Fastlane Xcode Cloud / Jenkins / GitHub Actions

Testing : XCTest XCUITest snapshot testing (iOSSnapshotTestCase) Instruments

Security : Keychain certificate pinning (where applicable) secure storage

Observability : Unified logging metrics collectors crash analytics

Education

Bachelors / Masters in Computer Science Engineering or equivalent practical experience.

Qualification : Bachelor Degree

Thanks & Regards

Sachin More

Sr. IT Technical Recruiter

American IT Systems LLC

Desk : Key Skills

APIs,MVC,SQL,Spring,.NET,ASP.NET,Microsoft SQL Server,C#,Angular,Application Development,JavaScript,Java

Employment Type : Full Time

Experience : years

Vacancy : 1