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SWITS DIGITAL Private Limited · 11 hours ago

iOS Developer

Cupertino, CA

Full-time

Onsite

Senior Level

5+ years exp

SWITS DIGITAL Private Limited is seeking an experienced iOS Developer to design, build, and optimize high-quality iOS applications and SDKs. The ideal candidate will have deep expertise in Swift and modern iOS frameworks, focusing on creating scalable and privacy-first applications.

Information Technology & Services

Responsibilities

5+ 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

Qualification

SwiftIOS frameworksSDK developmentSwift ConcurrencyNetworking fundamentalsPerformance tuningXCTestCommunication

Required