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Orion Innovation

iOS Developer

Orion Innovation
Canada · Contract · Mid-Senior

Role: Senior Software Developer (iOS)

Location: Toronto, ON

Type: Contract & Full time onsite


We are seeking a talented and experienced Senior iOS Developer to join our innovative mobile development team. You will be responsible for designing, developing, and maintaining high-quality iOS applications that deliver exceptional user experiences.


Responsibilities:

  • Design, build, and maintain high-performance, reusable, and reliable Swift code for iOS applications.
  • Collaborate with cross-functional teams including product managers, designers, and backend developers to define,1 design, and ship new features.
  • Ensure the performance, quality, and responsiveness of applications.
  • Identify and correct bottlenecks and fix bugs.2
  • Help maintain code quality, organization, and automatization.3
  • Implement robust security measures and address potential vulnerabilities in application design and code.
  • Integrate iOS applications with RESTful APIs and backend services.
  • Stay up-to-date with the latest mobile technology trends, UI/UX standards, and best practices.


Qualifications and Skills:

  • Extensive work experience as a mobile app developer, with a strong portfolio of released applications on the App Store.
  • 7+ years of relevant work experience specifically in iOS development.
  • Strong knowledge of Swift and core Apple frameworks (Foundation, UIKit, UIAccessibility, WebKit, Core Data).
  • Demonstrated understanding and application of modern design paradigms such as Clean Architecture, MVVM, and RxSwift.
  • In-depth knowledge of application security tools, procedures, and principles, with hands-on experience addressing OWASP Top 10 application security risks.
  • Experience with offline storage, threading, and performance tuning for mobile applications.
  • Familiarity with RESTful APIs to connect iOS applications to back-end services.
  • Knowledge of other web technologies and adherence to UI/UX standards.
  • Understanding of Apple’s design principles and interface guidelines.
  • Experience working with third-party libraries and APIs.
  • Firm understanding of Object-Oriented Programming (OOP) design principles.
  • Firm understanding of code versioning tools (Git).
  • Diploma / Degree in Computer Science, Software Engineering, or a similar field.
  • A deep curiosity that motivates you to keep on top of technical trends and informs your ability to suggest tools and approaches to interesting problems.
  • The ability to empathize with and communicate clearly to all other parts of the business.


Bonus Points for:

  • Experience in a continuous integration and continuous delivery (CI/CD) environment.
  • Experience with Native Android development or using cross-platform technologies like React Native or Flutter.

Key Skills

Ranked by relevance

ios continuous integration continuous delivery react native restful apis storage android react swift owasp cicd oop
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Posted
Jun 17, 2025
Type
Contract
Level
Mid-Senior
Location
Toronto

Industries

Information Technology & Services

Categories

Information Technology

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