Sr. iOS Developer

Our client, is seeking a delivery-focused Senior iOS Developer to join their specialized digital banking technology division.

In this senior technical role, you will be embedded within a highly collaborative, fast-paced Agile 'pod' dedicated to architecting, engineering, and expanding a high-volume mobile banking platform. You will translate system specifications and user experience (UX) designs into robust, secure, and production-ready code. This position requires a seasoned developer who pairs deep native iOS platform expertise with a passion for modern, multithreaded architecture, clean code principles, and accessibility. You will actively participate in pair programming, collective code ownership, and proactive proof-of-concept innovation to deliver premium customer-facing solutions.

Duration: 10-Month Contract (with high potential for extension)

Work Arrangement: Hybrid (4 days per week on-site at the client location)



Advantages
Enterprise Portfolio Scale: Lead engineering efforts on a highly visible, transaction-dense mobile banking application used daily by millions of clients.

Modern iOS Stack: Actively write code utilizing modern platform elements, including SwiftUI, Combine, and native Swift Concurrency (Async/Await).

Collaborative Engineering Culture: Thrive in a supportive, mature environment that embraces forward-thinking methodologies like collective code ownership and pair programming.

Long-Term Engagement Continuity: Secure a stable 10-month contract backed by a multi-quarter, progressive tech strategy.



Responsibilities
Native App Development & Architectural Design
High-Fidelity Coding: Design, develop, test, and maintain fluid and responsive native iOS user interfaces utilizing SwiftUI alongside traditional UIKit.

Modern Asynchronous Design: Build scalable, highly optimized multithreaded workflows leveraging Swift Concurrency (Async/Await) and reactive paradigms like Combine.

Clean Architecture Governance: Enforce strict architectural alignment utilizing Protocol-Oriented Programming (POP) and MVVM design patterns.

Inclusivity & UI Polish: Engineer interfaces that comply fully with accessibility standards, incorporating VoiceOver, Dynamic Type, and Dark Mode natively.

Code Quality, DevOps & Triage
Quality Assurance & Code Reviews: Conduct thorough peer code reviews, participate in pair programming, and maintain comprehensive automated test suites using XCTest.

Performance Telemetry: Analyze application health, run memory-leak diagnoses, and optimize runtime performance utilizing Xcode Instruments.

Release & Deployment Management: Contribute to the Application Deployment Plan and overall mobile app rollout strategy, managing dependencies through CocoaPods.

Incident Triage & Tier-3 Support: Provide rapid technical root-cause analysis for escalated production incidents and outages to preserve critical platform stability.



Qualifications
Experience: Minimum 5+ years of progressive professional experience engineering native iOS applications within large-scale, corporate environments.

UI Framework Mastery: Demonstrated hands-on production experience with both SwiftUI (minimum 6 months) and UIKit, including custom view layout creation via code and Auto Layout for dynamic screen sizes.

Modern Concurrency & Async Logic: Proven working experience utilizing Swift Concurrency Async/Await and Combine (minimum 6 months) to control asynchronous data layers.

Testing & Git Tooling Fluency: Proficient testing capability using XCTest, performance tuning via Xcode Instruments, and version control management through Git.

Ecosystem Standards: Solid understanding of dynamic application lifecycles, user experience (UX) guidelines, accessibility frameworks, and Agile delivery models.

Education: University or College degree in Computer Science, Software Engineering, or a related technical discipline.

Soft Skills: Outstanding verbal and written communication skills. A team-first, self-motivated professional who can effectively prioritize tasks across concurrent project pipelines and articulate the business value of technical designs.

Nice-to-Have Skills & Assets
Prior professional mobile development experience operating within the Banking or Financial Services industry.

Familiarity with CI/CD automation systems and build scripts, specifically Jenkins.

Practical experience working with Swift Package Manager (SPM) and Snapshot Testing frameworks.

Experience designing advanced custom view animations and transition components.



Summary
If you are a tech-savvy Senior iOS Developer who pairs an absolute command of SwiftUI, UIKit, and Async/Await with the collaborative drive needed to succeed in an Agile pair-programming environment, this hybrid contract is a premier professional fit. Bring your mobile engineering precision, testing discipline, and analytical problem-solving skills to our client's elite mobile banking group today!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.