Senior iOS Developer

About the role

You will architect and implement robust iOS features that directly enhance core product flows under real-world conditions. You will collaborate with cross-functional squads to translate ambiguous requirements into resilient, user-centric mobile experiences. You will champion engineering excellence by enforcing rigorous standards for code quality, testing, and long-term maintainability. You will act as a technical leader, guiding decision-making and aligning implementation with strategic product goals. You will explore and validate new tools to solve complex problems while optimizing app performance and reliability. You will clearly articulate trade-offs and progress to both technical and non- technical stakeholders on a regular basis. You will mentor peers to elevate the overall capability and craftsmanship of the mobile team.

Key facts

What you'll do

• Architect and deliver complex features for consumer and enterprise products while maintaining a high standard of code quality.
• Lead the implementation of major product initiatives in close partnership with designers, product managers, and engineers on other platforms.
• Mentor junior and mid-level developers, elevating technical practices and consistency across the mobile codebase.
• Conduct thorough code reviews and rigorous testing to validate correctness, performance, and security of shipped software.
• Investigate emerging technologies, frameworks, and tooling, and synthesize findings into actionable recommendations for the team.
• Communicate technical concepts, project status, and risks clearly and effectively to all stakeholders in a collaborative environment.
• Optimize application performance, responsiveness, and reliability across a diverse set of real-world device conditions.
• Contribute to the definition and refinement of mobile development standards, workflows, and best practices.
• Ensure all implementations adhere to accessibility guidelines and provide inclusive user experiences.
• Explore and integrate modern networking approaches, including GraphQL, to improve data layer robustness and efficiency.
• Support the design and maintenance of CI/CD pipelines to streamline releases and improve deployment confidence.
• Evaluate legacy Objective-C codebases and plan incremental modernization strategies where appropriate.
• Assess cross-platform opportunities using Kotlin, Java, React Native, Flutter, Ionic, Xamarin, or Cordova to maximize code reuse and impact.
• Participate in on-call rotations and incident response to ensure timely resolution of production issues.

Requirements

• Bring a minimum of 3 years of professional software development experience in a production setting.
• Demonstrate a strong command of fundamental programming and computer science concepts that underpin complex systems.
• Show a thorough understanding of the end-to-end lifecycle of mobile applications, including server-side interactions and data flows.
• Apply advanced knowledge of core mobile principles such as UI implementation, architecture, API integrations, testing, and accessibility.
• Possess extensive experience building real-world applications using Swift, UIKit, and SwiftUI, or a deep familiarity with both paradigms.
• Articulate well-defined opinions on architectural patterns including MVVM, MVP, and MVC, and when each is appropriate.
• Exhibit outstanding interpersonal skills, given the necessity for close collaboration and frequent communication within a distributed team.
• Maintain a proactive mindset, consistently taking ownership and delivering high-quality results against demanding schedules.
• Display a genuine passion for improving software development workflows, tooling, and engineering culture.
• Comply with equal opportunity and diversity principles, ensuring inclusive practices throughout the hiring and employment lifecycle.

Nice to have

• Hands-on experience with newer networking approaches such as GraphQL and related tooling.
• Practical background in building and maintaining CI/CD pipelines for mobile applications.
• Familiarity with older iOS technologies such as Objective-C and related migration challenges.
• Prior experience in other mobile ecosystems, including Android with Kotlin or Java, or cross-platform frameworks like React Native, Flutter, Ionic, Xamarin, or Cordova.

Practical notes

• Location-specific role based in Toronto.
• Engagement terms are defined by source information and may vary.
• Compensation estimate provided separately as $120,000 to $145,000.
• Eligible candidates may be asked to highlight relevant training, such as courses from BrainStation, within their application materials.
• Konrad maintains a strict equal opportunity policy and welcomes diverse candidates to apply.