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Senior IOS App Developer at Robots and Pencils. . Location: Calgary, AB (Remote Friendly). Robots & Pencils is seeking a Senior iOS App Developer to lead the development of robust,scalable, and high-performance iOS applications across our portfolio of client projects.. . This role combines deep iOS expertise with hands-on leadership in architecture, user experience, and delivery excellence. As a senior contributor, you’ll take ownership of iOS development from design to release.. . You’ll collaborate with cross-functional teams to define architecture, shape productexperiences, and build apps that reflect modern best practices and user-first design.. .  . . Key Responsibilities . . Mobile Architecture & Feature Development. . • 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. . . Engineering Leadership & Delivery. . • 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).. . Cross-Functional Collaboration. . • Contribute to API design and backend integration strategy, advocating for mobilefriendly 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. . . Offshore/Distributed Team Collaboration. . • 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.. . Platform & Process Excellence. . • 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.. .  . . Required Skills & Qualifications. . • 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.. . Personal Competencies. . • Accountability – owns the delivery of iOS features with quality, reliability, and precision.. . • Adaptability – operates effectively in fast-paced client environments and shifting priorities.. . • Collaboration – builds strong working relationships across teams and time zones.. . • Execution-focused – pragmatic about shipping maintainable solutions, not overengineering.. . • Innovation-minded – explores and integrates modern tools and libraries into the tech stack.. . • Craftsmanship – holds high standards for UI/UX polish, accessibility, and code structure.. .  . . Why Join Robots & Pencils? . . We don’t just ship apps, we create human-centered, digital-first products that matter. As a Senior iOS App Developer, you’ll join a team that values deep craft, cross-functional collaboration, and a relentless focus on quality.. . You’ll work on impactful projects that push the boundaries of mobile technology while influencing development culture and best practices across the organization