IOS Developer

Overview

Greetings From Smart Work IT Services, We are seeking an experienced iOS Developer to design, build, and optimize high-quality iOS applications and SDKs in a privacy-first, performance-driven environment. The ideal candidate brings deep expertise in Swift, modern iOS frameworks, and scalable SDK development.

Job Title: iOS Developer

Location: Cupertino, CA

• 5+ years of professional iOS development experience with Swift and Objective C in production apps or SDKs.
• Strong command of iOS frameworks: UIKit, Swift
  
  UI, Foundation, Store Kit, 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, NS Operation).
• 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, Git Hub Actions).
• Excellent communication skills and the ability to collaborate in a cross-functional, privacy-first product environment.

• Languages:
  
  Swift (5.x+), Objective C
• UI:
  Swift
  
  UI, UIKit, Auto Layout
• Concurrency:
  Swift Concurrency, Combine, GCD/NS Operation
• Networking: URL Session, background tasks, Codable/JSON, protobuf (optional)
• Data:
  Core Data / SQLite / file-based persistence
• Build & CI:
  Xcode, SPM/Cocoa Pods, Fastlane, Xcode Cloud/Jenkins/Git Hub Actions
• Testing: XCTest, XCUITest, snapshot testing (iOS Snapshot Test Case ), Instruments
• Security:
  Keychain, certificate pinning (where applicable), secure storage
• Observability:
  Unified logging, metrics collectors, crash analytics

• Bachelor's/Master's in Computer Science, Engineering, or equivalent practical experience.