Senior iOS

Quantum Technologies. LLC; Sunnyvale, Northern (CA, KY); Hybrid; USD 170,000 - 210,000; Full time

Job summary

QUANTUM TECHNOLOGIES LLC is seeking an expert iOS developer in Sunnyvale, CA, with deep Swift knowledge (Swift 5.9+), SwiftUI for modern interfaces, and strong UIKit background for hybrid/legacy codebases.

The role requires hands-on production iOS app experience for iPhone/iPad, plus macOS familiarity, and a solid grasp of Apple frameworks such as Combine, Core Data, and AVFoundation.

Qualifications

• Top 3 Required skills: iOS - Swift, Swift UI, Mac OS
• Years of experience in each of the must-have skills: 8+

Skills

Swift

SwiftUI

Mac OS

Job description

Advanced proficiency in Swift (Swift 5.9+), including value semantics, protocol-oriented programming, and modern language features.

Extensive hands-on experience building and maintaining production-grade iOS applications for iPhone and iPad; macOS experience is a strong plus.

Strong expertise in SwiftUI for modern UI development, with solid knowledge of UIKit for hybrid and legacy codebases.

Deep understanding of Apple frameworks, including Combine, Structured Concurrency (async/await, Actors), Core Data, Core Animation, and AVFoundation as applicable.

Proficient in implementing App lifecycle management, background execution, and efficient memory and battery usage.

Technical Hiring Criteria (Must Haves)

Top 3 Required skills: iOS - Swift, Swift UI, Mac OS

Years of experience in each of the must-have skills: 8+

QUANTUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. QUANTUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will QUANTUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract