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Senior iOS Developer

Job in Calgary, Alberta, T3S, Canada
Listing for: CGI
Full Time position
Listed on 2026-02-27
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, App Developer - Mobile/Web, iOS Developer
Job Description & How to Apply Below

Position

Description:

This role is located in Calgary, Alberta and there are no remote options outside of Alberta.

CGI is more than just an IT consulting company; we are a global organization offering a world of opportunities. Become part of an outstanding culture that gives you the freedom to innovate, influence decisions, achieve your full potential, and chart your own career. Our benefits include a share purchase program, profit sharing, wellness credits, training and development programs and flexible work schedules.

Are you motivated by the opportunity to delight your clients by providing them with innovative solutions to sophisticated technical problems? These are exciting times for CGI, and we are looking for hardworking individuals to innovate with us. If you thrive on innovation where you can influence the direction of technical strategy, come and join our team!

We are seeking a Senior iOS Developer who is passionate about great software and motivated to make a huge impact with our mobile development on one of the flagship E
* TRADE trading platforms. We are excited about candidates who are creative, innovative and enjoy working through problems which ultimately results in solid software designs that are tailored completely for our users. To be a successful member of this team you must prioritize quality and be driven by self-motivation to succeed.

Your future duties and responsibilities:

. Contribute to the mobile application strategy
. Design and implement features for a suite of Mobile Applications
. Learn and apply new technologies, best design practices and usability patterns
. Contribute to end-to-end system architecture, working with back-end engineers
. Collaborate with product managers and other technical teams to create optimized and delightful user experiences.
. Maintain source code quality, provide code review feedback, and help create team coding principles.
. Mentor, train, and provide guidance to other team members and lead by example.

Required qualifications to be successful in this role:

. Bachelor's degree in Computer Science (or equivalent experience)
. 7 years of software development experience with Apple platforms
. Expert knowledge of Swift
. Broad experience with the iOS SDK, particularly UIKit, Swift

UI, and Foundation
. Solid experience with asynchronous programming using structured concurrency and GCD
. Understanding of reactive paradigms, experience using Combine and/or RxSwift is a plus
. Solid understanding of the MVVM architectural pattern
.

Experience with consuming and designing RESTful API type web services.

Experience with realtime streaming frameworks like Socket.io, Ably, or Light Streamer is a huge plus.
. Strong knowledge of iOS UI design principles, patterns, and best practices. iPadOS is a plus. The ability to cleanly integrate with both in one codebase is ideal.
. Strong fundamentals with XCTest, and hopefully you've heard of Swift Test. You don't aim for % coverage, but instead focus on what really matters.
. Excellent debugging and optimization skills, including use of Instruments for identifying issues as they arise, and utilizing performance testing to ensure they don't happen in the first place.

CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes various factors including but not limited to skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $70, - $,.

#LI-ST3

Skills:

  • Full Stack Development
  • iOS/macOS
  • Socket Programming
  • Position Requirements
    10+ Years work experience
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