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Aarorn Technologies Inc

Senior Mobile Application Developer

Aarorn Technologies Inc
Canada · Contract · Mid-Senior

Job Title: Senior Mobile Application Developer

Location: Toronto, ON (3x onsite a week)

Employment Type: Contract

Pay Rate: CAD$40 - $45/HR INC

Job Description

We are seeking an experienced Senior Mobile Application Developer with strong expertise in iOS development (≈80%) and working knowledge of Android development (≈20%).

The ideal candidate will have hands-on experience building high-quality, scalable, and secure mobile applications using modern frameworks and best practices.

Key Responsibilities

iOS Development (Primary – ~80%)

  • Design, develop, test, and maintain high-quality native iOS applications using Swift, UIKit, and SwiftUI.
  • Work with Xcode, iOS SDKs, and follow Apple Human Interface Guidelines.
  • Implement scalable and maintainable architectures such as MVVM or Clean Architecture.
  • Integrate and optimize RESTful APIs and backend services.
  • Ensure performance, stability, and responsiveness across supported iOS devices.
  • Follow App Store and enterprise-level security standards.
  • Write unit tests and UI tests; participate in peer code reviews.
  • Collaborate with UX/UI teams to deliver intuitive and accessible user experiences.

Android Development (Secondary – ~20%)

  • Provide development support and feature enhancements for native Android apps using Kotlin and/or Java.
  • Contribute to shared mobile design practices and cross-platform alignment.
  • Troubleshoot, debug, and resolve Android-specific issues.
  • Support Android code reviews and maintenance tasks.

Required Skills & Experience

  • 5+ years of mobile application development experience, primarily in iOS.
  • Strong proficiency with:
  • Swift, UIKit, SwiftUI.
  • Xcode, iOS SDKs.
  • Modern mobile architecture patterns.
  • Working knowledge of Android (Kotlin/Java).
  • Experience consuming RESTful APIs and handling JSON.
  • Solid understanding of mobile security: authentication, encryption, secure storage.
  • Experience with Git and CI/CD pipelines.

Nice To Have (Optional)

  • Experience with agile development environments.
  • Familiarity with App Store deployment and release processes.

Disclaimer: AI tools may assist in the recruitment process; however, all hiring decisions are made by the recruitment team based on a comprehensive evaluation of candidates.

Key Skills

Ranked by relevance

android ios restful apis mobile design ai tools kotlin swift xcode cicd git ai ui
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Posted
Feb 16, 2026
Type
Contract
Level
Mid-Senior
Location
Toronto

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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