Senior iOS Developer | Expert

Description

Proficiency in Apple technologies and full mastery of the Swift language are required, along with familiarity with complex topics and analytical ability to propose comprehensive and complex refactorings. Deep knowledge of design patterns (especially VIPER) and their variations, as well as familiarity with modularization concepts, is also required. Knowledge of Threads and SwiftUI Knowledge of other architectural patterns (MVVM, MVP, etc.) Knowledge of design patterns (Facade, Adapter, Factory, Singleton, Builder, Abstract Factory, etc.) Staying up-to-date with Swift language updates and understanding how to apply them optimally within the team. Ability to identify and implement consistent code improvements, such as: architectural improvements application of design patterns development experience user experience (UX) Knowledge of supporting languages, such as automation languages for CI (Ruby, Python, etc.) Understanding of the Bitrise integration workflow Delivering presentations to internal or external teams on Apple-related topics **Requirements:** Senior iOS Developer Requirements 5–8+ years of iOS development experience Advanced proficiency in Swift and UIKit (ViewCode and AutoLayout) In-depth knowledge of architectures such as VIPER, MVVM, and modularization Experience developing for iOS and tvOS Experience with REST and GraphQL APIs Knowledge of data persistence Solid experience with unit, manual, and instrumental testing Knowledge of snapshot testing Dependency management using Cocoapods and SPM Knowledge of XcodeGen Version control using Git and GitFlow Assertive communication and experience collaborating with QA, UX, Design, and stakeholders Experience mentoring and developing junior professionals Hard Skills Swift and Architecture Full mastery of the Apple ecosystem and the Swift language is expected, including analytical capability to perform complex refactorings and drive architectural evolution of the project. **Also required:** In-depth knowledge of VIPER and its variations Knowledge of MVVM, MVP, and VIP Familiarity with modularization **Application of Design Patterns:** Factory Singleton Adapter Builder Facade Abstract Factory Differentiators Knowledge of Threads and SwiftUI Continuous updates on Apple ecosystem news Ability to propose continuous improvements in architecture, patterns, and user experience UIKit / SwiftUI Advanced proficiency in UIKit **Interface construction using:** Storyboards XIBs AutoLayout ViewCode SwiftUI Development of scalable interfaces Experience with Design Systems Optimization of view hierarchies and performance APIs and Networking Consumption and maintenance of REST and GraphQL APIs **Knowledge of:** Headers Interceptors Responses Fragments Unions JSON/XML parsing **Asynchronous programming:** GCD DispatchQueue OperationQueue Async/Await Continuous Integration Experience with CI/CD Knowledge of Bitrise Creation and maintenance of pipelines Use of feature flags Incremental refactoring of legacy systems Tools Advanced proficiency in Xcode **Knowledge of:** SPM Cocoapods XcodeGen Instruments Firebase Crashlytics Firebase Analytics **Advanced Git and GitFlow:** commit editing cherry-pick rebase branch switching Clean Code and Quality Strong focus on Clean Code Rapid identification of code smells Experience with large-scale refactorings Writing efficient unit tests Snapshot testing Continuous quality and testing culture Technical and constructive code reviews Performance and Memory Knowledge of memory optimization **Mastery of ARC:** lazy properties computed properties weak / strong / unowned references Use of Instruments for performance analysis Soft Skills Communication and Collaboration Assertive communication Active listening Good interpersonal relationships Ease of cross-team collaboration Mentorship Development of junior professionals Knowledge sharing Pair Programming Support in technical onboarding Ownership and Proactivity Sense of ownership over product and deliverables Ability to identify technical and process improvements Continuous pursuit of technical evolution and quality Product Vision Understanding of the business impact of features Ability to propose improvements to product and user experience Differentiators Experience in technical leadership Knowledge of Ruby or Python for automation Experience delivering internal and external technical presentations Experience with large-scale Design Systems Advanced knowledge of monitoring and observability Daily Responsibilities Participate in daily stand-ups, refinement sessions, and planning meetings Develop features for iOS and tvOS Fix bugs and evolve the project’s architecture Work closely with QA, UX, Design, and stakeholders Perform code reviews Execute unit and manual tests Create technical documentation Perform releases and monitor application metrics Continuously study new technologies and best practices