Senior iOS Engineer – SwiftUI, UIKit, Austin

Quantum Technologies. LLC; Austin (TX); On-site; USD 97,000 - 138,000; Full time

Job summary

Quantum Technologies. LLC seeks an experienced iOS Developer to design, develop, test, and maintain high-quality mobile apps for Apple's iOS platform.

The candidate will work with UI/UX, backend, QA, and product teams to deliver scalable, secure, and responsive solutions with strong performance.

Required 5+ years in iOS development, proficiency in Swift, SwiftUI, UIKit, and familiarity with architecture patterns such as MVC, MVVM, and VIPER. Experience with REST/GraphQL and CI/CD is expected.

Qualifications

• 5+ years of iOS app development experience.
• Strong hands-on with Swift, UIKit, SwiftUI.
• Proven track record publishing native iOS apps.
• Experience integrating REST APIs, GraphQL, third-party services.
• Familiarity with iOS architecture patterns (MVC/MVVM/VIPER).
• Experience with testing (XCTest, UI tests).
• Knowledge of performance optimization and memory management.

Responsibilities

• Design, develop, test, and maintain native iOS apps.
• Collaborate with UI/UX designers, backend, QA, and product teams.
• Ensure high performance, reliability, and excellent user experience.
• Translate requirements into scalable iOS components.
• Review code and maintain coding standards and docs.
• Manage builds, releases, and App Store submissions.

Skills

Swift

SwiftUI

UIKit

iOS Architecture

RESTful APIs

GraphQL

Async/Await

GCD

Core Data/SQLite/Realm

APNs/Push

OAuth 2.0/Keychain

XCTest/UI Testing

Git/GitHub

CI/CD (Jenkins/Fastlane/GitHub Actions

Education

Bachelor's degree in CS/IT/SE

Master's degree in CS/Mobile Apps

iOS Certifications

Tools

Xcode

Git

Jenkins

Fastlane

GitHub Actions

Job description

Quantum Technologies. LLC seeks an experienced iOS Developer to design, develop, test, and maintain high-quality mobile apps for Apple's iOS platform.

The candidate will work with UI/UX, backend, QA, and product teams to deliver scalable, secure, and responsive solutions with strong performance.

Required 5+ years in iOS development, proficiency in Swift, SwiftUI, UIKit, and familiarity with architecture patterns such as MVC, MVVM, and VIPER. Experience with REST/GraphQL and CI/CD is expected.