IOS Developer

Quantum Technologies LLC; Pennsylvania; On-site; USD 92,000 - 131,000; Full time

Job summary

Quantum Technologies. LLC in Westchester, PA is seeking an experienced iOS Developer to design and implement native iOS features for large-scale mobile applications. The role emphasizes hands-on Swift, SwiftUI, MVVM patterns, and API integration with GraphQL and REST in an Agile setting.

You will work with product, design, backend, QA, and release teams, contribute to CI/CD pipelines, and focus on performance, security, accessibility, and excellent user experience.

Qualifications

• Strong hands-on experience with Swift and native iOS SDKs.
• Experience with SwiftUI and responsive layouts.
• Knowledge of MVVM, Coordinator, and Clean Architecture.
• Experience with unit, integration, and UI testing (XCTest, XCUITest).

Responsibilities

• Develop, enhance, and maintain native iOS features for large-scale apps.
• Integrate GraphQL and REST APIs with mobile apps.
• Optimize performance, security, accessibility, and UX.
• Collaborate with product, design, backend, QA, and release teams.
• Participate in Agile development, release management, and CI/CD processes.

Skills

Swift

iOS SDKs

SwiftUI

MVVM

Coordinator pattern

Clean Architecture

Unit testing

XCTest

XCUITest

Agile development

GraphQL

REST APIs

Git

CI/CD

API integration

Tools

Xcode

GraphQL

REST APIs

CI/CD

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title:IOS Developer
Location: Westchester, PA
Duration: 12 Months + Extension
Bill Rate: $81/hour
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US-Citizen, H-1B, OPT-EAD, GC-EAD

Job Description:

Strong hands-on experience with Swift and native iOS SDKs.

Develop, enhance, and maintain native iOS features for large-scale mobile applications.

Hands-on experience with SwiftUI, reusable UI components, navigation, and responsive layouts.

Integrate GraphQL and REST APIs with mobile applications.

Experience handling API authentication, error handling, data mapping, caching, and asynchronous data flows.

Strong understanding of MVVM, Coordinator, Clean Architecture, and modular application design.

Experience writing unit, integration, and UI automation tests using XCTest and XCUITest.

Strong knowledge of iOS application lifecycle, background execution, privacy permissions, and Apple platform guidelines.

Optimize application performance, stability, security, accessibility, and user experience.

Experience with analytics, logging, experimentation, and feature flags.

Troubleshoot and resolve complex production issues involving mobile applications and API integrations.

Experience with Git, pull requests, code reviews, and CI/CD pipelines.

Collaborate with product, design, backend, middleware, QA, and release teams.

Participate in Agile development, release management, and continuous improvement activities.

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.