Senior Mainframe Developer building next - gen Payment Processing Platforms at TD Securities. Overseeing application development, support, and technical solution creation.
About the role
- Senior iOS App Developer leading development of robust and scalable iOS applications at Robots and Pencils. Collaborating with cross-functional teams to optimize mobile product experiences.
Responsibilities
- Design and build native iOS applications using modern tools and patterns: Swift, SwiftUI (and/or UIKit), MVVM, async/await (and/or Combine).
- Translate product requirements and UX designs into functional, testable, and performant app features.
- Architect clean, scalable, modular codebases that support long-term growth, reuse, and maintainability.
- Continuously optimize performance, offline support, responsiveness, accessibility, and startup time using tools like Xcode Instruments and system logs.
- Lead iOS-focused engineering streams across active projects, from discovery to delivery.
- Collaborate with designers, backend developers, and product managers to align implementation plans and integration strategies.
- Review pull requests and mentor team members on iOS best practices, code quality, and platform conventions.
- Ensure code is testable and aligned with CI/CD pipelines (e.g., GitHub Actions, Bitrise, CircleCI, Fastlane).
- Contribute to API design and backend integration strategy, advocating for mobile-friendly contracts.
- Help define and maintain coding standards, tooling, and documentation for mobile engineering.
- Participate in release planning, quality reviews, and issue resolution with project stakeholders.
- Work within agile processes to meet delivery timelines while maintaining quality and stability.
- Coordinate with teammates across time zones to ensure consistent delivery and high code quality.
- Share architecture guidance and technical artifacts across distributed teams and projects.
- Evaluate and integrate emerging iOS libraries, UI frameworks, and automation tools.
- Ensure apps meet Apple App Store submission standards and accessibility compliance (e.g., WCAG, VoiceOver, Dynamic Type).
- Support crash analytics, user feedback loops, and observability in production (e.g., Crashlytics, Sentry, analytics SDKs).
- Drive continuous improvement in mobile development practices and team performance.
Requirements
- Bachelor's degree in computer science, Engineering, or equivalent experience.
- 5+ years of professional iOS development experience, including 2+ years in senior/lead roles.
- Expertise in Swift, SwiftUI (and/or UIKit), MVVM, and Swift Concurrency (async/await; familiarity with Combine a plus).
- Strong knowledge of networking and data layers: URLSession/Alamofire, REST/JSON (GraphQL a plus), Core Data (or Realm/SQLite).
- Experience with modular multi-module architectures and scalable code organization.
- Proven testing practices: XCTest, XCUITest, snapshot testing, dependency injection for testability.
- Familiarity with package/build and release tooling: Swift Package Manager, CocoaPods, Fastlane, code signing, TestFlight, App Store Connect.
- Published apps on the App Store.
- Experience with Git-based workflows and CI/CD integration (GitHub Actions, Bitrise, CircleCI).
- Understanding of the full mobile development lifecycle, from design through deployment and post-release iteration.
- Experience with StoreKit (IAP/subscriptions), APNs and push notifications, deep links, background modes, Keychain/CryptoKit, and app security.
- Familiarity with SwiftData and modern persistence patterns.
- Experience with widgets, Live Activities, App Clips, and on-device ML (Core ML/Vision).
- Exposure to cross-platform or shared-code strategies (e.g., Kotlin Multiplatform Mobile, React Native, Flutter) and/or basic Android fluency.
- Contributions to open source or an active technical blog/GitHub profile.
- Background in travel, hospitality, or IoT-enabled mobile apps.
Benefits
- Health insurance
- Professional development opportunities
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