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Hi, I'm Felipe César Graciano da Mata, a Senior iOS Engineer focused on building high-performance educational apps. I specialize in Swift, UIKit, SwiftUI, and MVVM, and I've led large refactoring efforts to improve architecture, maintainability, and loading speed. I thrive in collaborative environments and enjoy turning complex problems into robust, user-friendly solutions. I thrive in Agile, cross-functional teams and value clean code, robust testing, and user-focused features. In my current role at Afya Holding, I improved stability with Crashlytics-driven debugging and achieved a 99.8% crash-free session rate, while driving architecture improvements that cut loading times by 70%.…Hi, I'm Felipe César Graciano da Mata, a Senior iOS Engineer focused on building high-performance educational apps. I specialize in Swift, UIKit, SwiftUI, and MVVM, and I've led large refactoring efforts to improve architecture, maintainability, and loading speed. I thrive in collaborative environments and enjoy turning complex problems into robust, user-friendly solutions. I thrive in Agile, cross-functional teams and value clean code, robust testing, and user-focused features. In my current role at Afya Holding, I improved stability with Crashlytics-driven debugging and achieved a 99.8% crash-free session rate, while driving architecture improvements that cut loading times by 70%.

Felipe César Graciano da Mata

App Developer, Programmer, Full Stack Developer, +2

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Hi, I'm Felipe César Graciano da Mata, a Senior iOS Engineer focused on building high-performance educational apps. I specialize in Swift, UIKit, SwiftUI, and MVVM, and I've led large refactoring efforts to improve architecture, maintainability, and loading speed. I thrive in collaborative environments and enjoy turning complex problems into robust, user-friendly solutions. I thrive in Agile, cross-functional teams and value clean code, robust testing, and user-focused features. In my current role at Afya Holding, I improved stability with Crashlytics-driven debugging and achieved a 99.8% crash-free session rate, while driving architecture improvements that cut loading times by 70%.…Hi, I'm Felipe César Graciano da Mata, a Senior iOS Engineer focused on building high-performance educational apps. I specialize in Swift, UIKit, SwiftUI, and MVVM, and I've led large refactoring efforts to improve architecture, maintainability, and loading speed. I thrive in collaborative environments and enjoy turning complex problems into robust, user-friendly solutions. I thrive in Agile, cross-functional teams and value clean code, robust testing, and user-focused features. In my current role at Afya Holding, I improved stability with Crashlytics-driven debugging and achieved a 99.8% crash-free session rate, while driving architecture improvements that cut loading times by 70%.

Available to hire

Hi, I’m Felipe César Graciano da Mata, a Senior iOS Engineer focused on building high-performance educational apps. I specialize in Swift, UIKit, SwiftUI, and MVVM, and I’ve led large refactoring efforts to improve architecture, maintainability, and loading speed. I thrive in collaborative environments and enjoy turning complex problems into robust, user-friendly solutions.

I thrive in Agile, cross-functional teams and value clean code, robust testing, and user-focused features. In my current role at Afya Holding, I improved stability with Crashlytics-driven debugging and achieved a 99.8% crash-free session rate, while driving architecture improvements that cut loading times by 70%.

Skills

Swift

App Design

Web Design

Experience Level

Swift

Expert

Language

Portuguese

Fluent

English

Advanced

Spanish; Castilian

Intermediate

Work Experience

Mobile Developer at Afya Holding

September 1, 2023 - Present

Refactored the home module by separating business logic from UI, improving scalability and maintainability. Increased loading speed by 70% through architectural optimization and lazy loading. Owned stability pipeline using Crashlytics, achieving 99.8% crash-free sessions. Developed core features with Swift, SwiftUI, UIKit, MVVM, and REST APIs. Led code reviews and enforced clean architecture standards.

Mobile Developer Intern at Afya Holding

September 1, 2022 - August 1, 2023

Built UI components with UIKit and Auto Layout. Integrated REST APIs and supported MVVM migration. Assisted in debugging and performance improvements.