iOS Developer

Quantum Technologies. LLC; New York (NY); On-site; USD 110,000 - 170,000; Full time

Job summary

Quantum Technologies. LLC is seeking a skilled iOS Developer to design, build, and maintain high-quality iOS applications. You will collaborate with product, design, and backend teams to deliver smooth, scalable mobile experiences on Apple's platform.

You will write clean Swift/Objective-C, leverage UIKit and Core Data, integrate RESTful APIs, and participate in code reviews. The role requires a proactive problem-solver who stays current with iOS trends and best practices.

Qualifications

• Proficient in Swift and/or Objective-C for iOS app development.
• Strong understanding of UIKit, Auto Layout, and Core Data.
• Experience with Xcode, Interface Builder, and iOS SDK.
• Familiar with REST APIs, JSON, and networking.
• Version control with Git or similar tools.
• Knowledge of App Store submission process.

Responsibilities

• Design and build advanced iOS applications for iPhone and iPad.
• Collaborate with product managers, designers, and backend engineers.
• Write clean, maintainable, and efficient Swift/Objective-C code.
• Ensure performance, quality, and responsiveness of applications.
• Identify and fix bugs, bottlenecks, and crashes.
• Integrate RESTful APIs and third-party libraries.
• Participate in code reviews and follow best practices.
• Stay up to date with iOS trends and technologies.

Skills

Swift

UIKit

Auto Layout

Core Data

REST APIs

JSON

App Store submission

Problem-solving

Tools

Xcode

Interface Builder

iOS SDK

Git

Job description

We are looking for a skillediOS Developerto design, develop, and maintain high-quality iOS applications. You will work closely with cross-functional teams to deliver smooth, scalable, and user-friendly mobile experiences using Apple’s iOS platform.

Key Responsibilities

• Design and build advanced applications for the iOS platform (iPhone, iPad)
• Collaborate with product managers, designers, and backend engineers
• Write clean, maintainable, and efficient Swift/Objective-C code
• Ensure performance, quality, and responsiveness of applications
• Identify and fix bugs, performance bottlenecks, and crashes
• Integrate RESTful APIs and third-party libraries
• Participate in code reviews and follow best coding practices
• Stay up to date with the latest iOS trends and technologies

Required Skills & Qualifications

• Strong experience withSwift(Objective-C is a plus)
• Solid understanding ofUIKit,Auto Layout,Core Data
• Experience withXcode, Interface Builder, and iOS SDK
• Knowledge ofREST APIs, JSON, and networking
• Familiarity withGitor other version control systems
• Understanding of Apple’sApp Store submissionprocess
• Strong problem-solving and debugging skills

Preferred / Nice-to-Have Skills

• Experience withSwiftUI
• Knowledge ofMVVM / MVC / Clean Architecture
• Familiarity withCI/CD toolsfor iOS
• Experience with unit testing and UI testing
• Understanding of mobile security best practices

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.