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Ascendion

iOS Developer

Ascendion
Canada · Contract · Mid-Senior

About Ascendion :


Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients. Headquartered in New Jersey, our workforce of 6,000+ Ascenders delivers solutions from around the globe. Ascendion is built differently to engineer the next.

Ascendion | Engineering to elevate life

We have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:

Build the coolest tech for world’s leading brands

Solve complex problems - and learn new skills

Experience the power of transforming digital engineering for Fortune 500 clients

Master your craft with leading training programs and hands-on experience

Experience a community of change makers!


Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.

About the Role:


Position: Senior iOS Engineer

Location: Mississauga, Ontario


Summary:

We are looking for a Senior iOS Engineer with experience in native iOS mobile application development. Your primary focus will be developing the Payfare iOS apps and their integration with our back-end services. As a Senior iOS Engineer, you will be working in a small team maintaining and making additions to our iOS applications as well as creating brand new applications from the ground up.



Responsibilities and Duties

Support the entire application lifecycle (concept, design, test, release and support)

Build and evolve modern iOS apps to provide the best discovery experience for millions of users

Create functional mobile applications while writing clean code

Create highly secure mobile apps that are free of security vulnerabilities, promptly addressing any vulnerabilities found through ongoing code scans and penetration tests

Design user interfaces with the ability to follow design guidelines

Write great unit tests and end-to-end tests

Help maintaining code quality, documentation and automation



Qualifications and Skills

Extensive work experience in the field as mobile app developer.

Strong knowledge of Swift, Apple frameworks (Foundation, UIKit, UIAccessibility, WebKit, Core Data) and modern design paradigms(Clean Architecture, MVVM, RxSwift)

Portfolio of released applications on the App Store.

In-Depth knowledge of application security tools, procedures, and principles.

Experience and working knowledge addressing OWASP top 10 application security risks.

Experience with offline storage, threading, and performance tuning

Familiarity with RESTful APIs to connect iOS applications to back-end services

Knowledge of other web technologies and UI/UX standards

Understanding of Apple’s design principles and interface guidelines

Experience working with third party libraries and APIs.

Firm understanding of OOP design principles.

Firm understanding of code versioning tools (Git)

Diploma / Degree in Computer Science, Software Engineering or similar

5+ years of relevant work experience

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 the other parts of the business.



Bonus Points for

Experience in a continuous integration and continuous delivery environment

Experience with Native Android or using cross-platform technologies like React Native or Flutter.




Salary Range: CAD $120,000 - 150,000 Annually - Factors that may affect pay within this range may include geography/market, skills, education, experience and other qualifications of the successful candidate.

Benefits: The Company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance] [dental insurance] [vision insurance] [09-10 days/hours of paid time off]

Want to change the world? Let us know.


Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let’s talk!

Key Skills

Ranked by relevance

ios continuous integration continuous delivery react native restful apis storage android react swift owasp cloud oop
Login to Apply
Posted
Jun 24, 2025
Type
Contract
Level
Mid-Senior
Location
Mississauga
Company
Ascendion

Industries

Technology Information Internet

Categories

Design Research Other

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