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Toptal

Senior iOS Engineer

Toptal
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almost 5 years ago
Barcelona, Spain or Guatemala City, Guatemala
Senior
H1B Sponsor

Responsibilities

  • Design, build, and maintain high-quality Swift code for iOS applications.
  • Contribute to the Kotlin Multiplatform codebase for shared mobile features.
  • Deliver well-crafted product features while improving the existing codebase.
  • Build polished native interfaces using UIKit and SwiftUI.
  • Write and maintain automated tests to ensure high-quality standards.
  • Review teammates' work and provide constructive feedback.
  • Collaborate with Product, Design, and Backend teams for user improvements.
  • Mentor teammates and improve team practices.
  • Participate in daily scrum standups and pair programming.

Requirements

  • 6+ years of significant iOS experience with at least one large native app deployed.
  • Deep understanding of Swift and strong knowledge of UIKit and SwiftUI.
  • Familiarity with Kotlin Multiplatform or willingness to learn.
  • Major experience with UI/unit testing.
  • Knowledge of software design patterns like MVVM and Clean Architecture.
  • Understanding of threading and memory management in mobile apps.
  • Strong UI design skills and knowledge of animations.
  • Ability to solve complex problems and engage in constructive feedback.
  • Outstanding written and verbal communication skills.
  • Comfortable working in an AI-native development workflow.

Tech Stack

iOSRuby on RailsSwiftSwiftUI

Categories

FrontendMobileTesting