Senior iOS Developer

CI&T

Specialist in technology transformation creating scalable tech solutions for clients in media industry. Responsibilities include coding, project collaboration, and mentoring junior developers.

Posted 5/8/2026full-time🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

ApolloCloudFirebaseGraphQLiOSPythonRubySwift

About the role

Key responsibilities & impact

Support a media-industry client in collaboration with CI&T;
Write clean, maintainable code following software development best practices;
Design solutions using appropriate frameworks;
Consistently identify opportunities for improvement, including architecture, design patterns, developer experience and user experience;
Collaborate with team members — developers, designers, QA and stakeholders — to ensure project success;
Conduct code reviews and provide constructive feedback;
Ensure a stable and productive development environment;
Be open to learning and using widely adopted tools in the technology stack;
Stay up to date with Swift language updates and explore how to apply them within the team;
Actively participate in resolving complex problems, identifying improvement opportunities and proposing innovative solutions;
Mentor and share knowledge with junior developers, accelerate their growth and proactively support the team;
Monitor and fix crashes reported by Firebase Crashlytics, promoting a quality and incident-response culture within the team;
Break complex features into testable, incremental parts, using techniques such as feature flags;
Refactor legacy code incrementally and onboard new team members;

Requirements

What you’ll need

Proficiency in Apple platforms and full mastery of Swift 5+, including knowledge of advanced topics and analytical ability to propose complex refactorings
Design Patterns: deep knowledge of VIPER (primarily) and its variations, as well as familiarity with MVVM, MVP and other patterns such as Facade, Adapter, Factory, Singleton, Builder, Abstract Factory
SwiftUI as the primary UI framework, including knowledge of threading
Deep expertise in UIKit and optimizing view hierarchies
Swift Concurrency (async/await, Actor)
Version control with GIT: deep knowledge including GitFlow and autonomy to handle advanced tasks (edit commits, remove commits, move commits between branches)
CocoaPods and Swift Package Manager (SPM) for dependency management, with autonomy to create and maintain libraries
GraphQL with Apollo iOS, including advanced concepts such as fragments, query operations (unions, etc.), interceptors, headers and responses
CI/CD with Xcode Cloud, GitLab CI or Fastlane, including the ability to build pipelines
Unit testing with XCTest and Swift Testing, including snapshot testing techniques
Firebase Crashlytics and Google Analytics
Networking: HTTP requests, JSON/XML parsing, asynchronous programming with GCD (DispatchQueue, OperationQueue), Async/Await
Memory and performance: memory management with Automatic Reference Counting (ARC), lazy properties, computed variables, weak/strong/unowned references
Expert use of Xcode, including shortcuts, debugging features (layout, network, resources) and supporting tools (SPM, Xcodegen, Instruments)
Design systems and building scalable components for large-scale projects
Agile methodologies (Scrum, Kanban) and tools such as Jira
The following are a plus:
Knowledge of other supporting languages, such as automation languages for CI (Ruby, Python, etc.)
Understanding of the Bitrise integration workflow
Ability to present Apple-related topics to internal or external teams
Basic knowledge of security (data persistence, HTTPS and authentication mechanisms)

Benefits

Comp & perks

Health and dental insurance;
Meal and food allowance;
Childcare assistance;
Extended parental leave;
Partnerships with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
Profit Sharing (PLR);
Life insurance;
Continuous learning platform (CI&T University);
Discount club;
Free online platform dedicated to promoting physical and mental health and well-being;
Pregnancy and responsible parenthood course;
Partnerships with online course platforms;
Language learning platform;
And many others

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Swift 5+Design PatternsVIPERSwiftUIUIKitSwift ConcurrencyGITCocoaPodsGraphQLCI/CD

Soft Skills

collaborationmentoringproblem-solvingconstructive feedbackcommunicationproactive supportanalytical abilityopenness to learningidentifying improvement opportunitiesuser experience focus