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CI&T

Senior iOS Developer

CI&T

Senior iOS Developer at CI&T, architecting high-performance mobile applications for the Apple ecosystem. Leading technical direction and mentoring junior developers in iOS projects.

Posted 5/15/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies
CloudiOSObjective-CRealmRxSwiftSwift

About the role

Key responsibilities & impact
  • Architecting and building high-performance, premium mobile applications for the Apple ecosystem.
  • Lead the technical direction of our iOS projects, ensuring functional apps and fluid, native user experiences.
  • Write clean, high-quality Swift code to build complex features and delightful user interfaces using UIKit or SwiftUI.
  • Diagnose and resolve performance bottlenecks, memory leaks, and UI glitches for a responsive user experience.
  • Partner with UI/UX designers to implement pixel-perfect designs and with Backend Engineers to define and integrate RESTful APIs.
  • Drive code review processes, maintain high unit test coverage, and mentor junior developers.

Requirements

What you’ll need
  • Experience in iOS development with a deep understanding of the iOS SDK and Apple’s design principles.
  • Swift Mastery: Expert-level proficiency in Swift and familiarity with asynchronous programming (Combine, Swift Concurrency/Async-Await).
  • Persistence & Networking: Extensive experience with local storage (Core Data, Realm) and complex API integrations using URLSession or Alamofire.
  • Testing: Strong commitment to quality through unit testing (XCTest) and UI testing.
  • Workflow Tools: Expert knowledge of Git, CocoaPods/Swift Package Manager, and project management tools like JIRA.
  • Language: Advanced English proficiency (fluent verbal and written communication).
  • Nice-to-have Skills:
  • Objective-C: Familiarity with legacy codebases written in Objective-C.
  • CI/CD for Mobile: Experience with automated build and deployment tools such as Fastlane, Bitrise, or Xcode Cloud.
  • Modern UI: Practical experience transitioning from UIKit to SwiftUI in a production environment.
  • Reactive Programming: Knowledge of RxSwift or other reactive frameworks.
  • Product Mindset: Experience working in an Agile/Scrum environment with a focus on user-centric product development.

Benefits

Comp & perks
  • Health and dental insurance
  • Meal and food allowance
  • Childcare assistance
  • Extended paternity leave
  • Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
  • Profit Sharing and Results Participation (PLR);
  • Life insurance
  • Continuous learning platform (CI&T University);
  • Discount club
  • Free online platform dedicated to physical, mental, and overall well-being
  • Pregnancy and responsible parenting course
  • Partnerships with online learning platforms
  • Language learning platform
  • And many more!

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
iOS developmentSwiftUIKitSwiftUICore DataRealmURLSessionAlamofireXCTestRxSwift
Soft Skills
leadershipmentoringcommunicationcollaborationproblem-solvingattention to detailuser-centric mindset