IOS Developer

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

Job summary

Machine Learning Technologies, LLC is seeking an experienced IOS Developer in Westchester, PA to design, build, and maintain native iOS features for large-scale apps. You will work with Swift, SwiftUI, MVVM, and clean architecture while integrating GraphQL/REST APIs and ensuring strong test coverage.

You will collaborate with product, design, backend, QA, and release teams in an Agile environment, focusing on performance, security, accessibility, and a quality user experience.

Qualifications

• 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.

Responsibilities

• Develop and maintain native iOS features for large-scale mobile apps.
• Integrate GraphQL and REST APIs with mobile applications and ensure secure data handling.
• Write unit, integration, and UI tests using XCTest and XCUITest.
• Apply MVVM, Coordinator, and Clean Architecture across modules.
• Collaborate with cross-functional teams and participate in Agile ceremonies.

Skills

Swift

SwiftUI

MVVM

Coordinator

Clean Architecture

Unit testing

XCTest

XCUITest

Git

CI/CD

Agile development

REST APIs

GraphQL

Debugging

Accessibility

Tools

Xcode

CI/CD tooling

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.