Apply on Employer Site

Teklabs Inc · 15 hours ago

iOS Developer

Cupertino, CA

Full-time

Onsite

Senior Level

$110K/yr - $130K/yr

5+ years exp

Teklabs Inc is seeking an experienced iOS Developer with a strong background in Swift and Objective C. The role involves developing production apps and SDKs, with a focus on performance tuning, API design, and collaboration in a cross-functional team.

AerospaceAutomotiveIT ManagementTraining

H1B Sponsor Likely

Hiring Manager

Dinesh Reddy Mulabachala

Responsibilities

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

Qualification

IOS developmentSwiftObjective CIOS frameworksSwift ConcurrencyAPI designPerformance tuningXCTestBachelor's/Master's degreeCommunicationCollaboration skills

Required