IOS Developer

Ethereum Technologies LLC; Jersey City (NJ); On-site; USD 110,000 - 180,000; Full time

Job summary

Ethereum Technologies is seeking an experienced iOS Developer to design, develop, and maintain high-quality iOS applications for iPhone and iPad. You will build native apps using Swift and Objective-C, and create modern interfaces with SwiftUI and UIKit.

The role involves integrating RESTful APIs, implementing secure authentication, and deploying to the Apple App Store. You will work with Core Data, SQLite, and local storage, while optimizing performance and memory usage.

Qualifications

• Experience designing and building native iOS apps with Swift and Objective-C.
• Proficient with SwiftUI and UIKit.
• Familiarity with app deployment to the Apple App Store.
• Experience integrating RESTful APIs and authentication (OAuth 2.0).
• Understanding of architectural patterns (MVC, MVVM, VIPER).
• Experience with multithreading (GCD/Swift Concurrency).

Responsibilities

• Design, develop, and maintain high-quality iOS applications for iPhone and iPad devices.
• Develop native iOS apps using Swift and Objective-C.
• Build modern interfaces with SwiftUI, UIKit; use Interface Builder.
• Integrate apps with RESTful APIs and backend services.
• Implement authentication via OAuth 2.0 and JWT.
• Develop features with Core Data, SQLite, and local storage.
• Integrate third-party SDKs and Apple frameworks.
• Optimize performance, memory, and battery life.
• Publish and maintain apps on the App Store.
• Collaborate with designers, backend, QA, and PMs.

Skills

Swift

SwiftUI

UIKit

Objective-C

MVC

MVVM

VIPER

REST APIs

OAuth 2.0

Tools

Xcode

Core Data

SQLite

Job description

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

Design, develop, and maintain high-quality iOS applications for iPhone and iPad devices.

Develop native iOS applications using Swift and Objective-C programming languages.

Build modern user interfaces using SwiftUI, UIKit, and Interface Builder.

Implement application architecture using MVC, MVVM, and VIPER design patterns.

Integrate mobile applications with RESTful APIs and backend services.

Implement secure authentication and authorization using OAuth 2.0 and JWT.

Develop application features using Core Data, SQLite, and local storage.

Integrate third-party SDKs, libraries, and external services into iOS applications.

Work with Apple frameworks such as Core Location, MapKit, AVFoundation, and Core Animation.

Optimize application performance, memory management, and battery consumption.

Implement multithreading and asynchronous programming using Grand Central Dispatch (GCD) and Swift Concurrency.

Develop reusable components and maintain scalable mobile application architecture.

Perform unit testing and UI testing using XCTest and XCUITest.

Debug application crashes, resolve technical issues, and improve application stability.

Manage application builds, provisioning profiles, certificates, and deployments through Xcode.

Publish and maintain applications on the Apple App Store.

Collaborate with UI/UX designers, backend developers, QA engineers, and product managers.

Participate in Agile ceremonies, sprint planning, code reviews, and technical discussions.

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.