Senior iOS Engineer — Build Scalable, High-Quality Apps

SquareDev; Kentucky; On-site; USD 120,000 - 170,000; Full time

Job summary

SquareDev in the United States is seeking a Senior iOS Developer to own the full development lifecycle of iOS apps, from architecture to deployment. You will collaborate with product, design, backend engineers and QA to deliver high-quality features.

The ideal candidate has at least 4 years of iOS experience, deep knowledge of SwiftUI and UIKit, RESTful APIs, testing with XCTest, and strong English communication. Familiar with CI/CD pipelines and App Store processes.

Qualifications

• At least 4 years of iOS development experience.
• Proficient with SwiftUI and/or UIKit, with modern concurrency (async/await).
• Experience integrating RESTful APIs with iOS apps.
• Deep understanding of iOS frameworks (Core Data, Core Animation, Foundation, URLSession).
• Hands-on with Git and CI/CD pipelines (Fastlane, Bitrise, GitHub Actions).
• Familiarity with XCTest/XCUITest and test-driven mindset.
• Knowledge of App Store submission, code signing and release workflows.
• Strong English communication.

Responsibilities

• Design, develop and maintain iOS applications.
• Collaborate with product managers and designers to translate requirements into features.
• Design scalable architectures and mentor other developers.
• Write unit and UI tests to ensure quality and maintainability.
• Optimize performance, memory usage and app responsiveness.
• Stay updated with iOS releases and guidelines.

Skills

iOS development (4+ yrs)

SwiftUI / UIKit

Combine / async/await

RESTful APIs

Core Data

Core Animation / Foundation

URLSession

Git

CI/CD (Fastlane / Bitrise / GitHub)

XCTest / XCUITest

App Store submission & code signing

English communication

Tools

Git

Fastlane

Bitrise

GitHub Actions

Job description

SquareDev in the United States is seeking a Senior iOS Developer to own the full development lifecycle of iOS apps, from architecture to deployment. You will collaborate with product, design, backend engineers and QA to deliver high-quality features.

The ideal candidate has at least 4 years of iOS experience, deep knowledge of SwiftUI and UIKit, RESTful APIs, testing with XCTest, and strong English communication. Familiar with CI/CD pipelines and App Store processes.