About Roberto
Spanish
Native or bilingual
English
Fluent
Portuguese
Fluent
Experience
- Freelance Senior iOS EngineerSenior iOS EngineerJanuary 2026 - Today (7 months)I help teams design and build production-ready iOS applications, combining Swift/SwiftUI with a strong focus on architecture, quality, and user experience.I specialize in implementing complex features—including AI integration—transforming them into simple, scalable, and maintainable solutions.My approach is based on writing clear code, ensuring reliable deliveries, and building systems capable of evolving with the product.Open to freelance collaborations and long-term projects where product impact is a priority.
- MEGA CLOUD SERVICESSenior iOS EngineerSOFTWARE PUBLISHINGOctober 2020 - December 2025 (5 years and 2 months)iOS Developer at MEGA Cloud Services, involved in the development, maintenance, and evolution of MEGA's core application, used by millions of users globally. Working in a technically complex environment, focusing on quality, performance, stability, and user experience.Key Responsibilities• Development of new features in the iOS app.• Evolutionary and corrective maintenance of existing code.• Refactoring legacy modules and progressive architecture improvement.• Resolution of critical bugs and production incident support.• Continuous collaboration with Product, QA, Design, and Backend teams.• Active participation in code reviews and technical decisions.• Adapting the app to new iOS versions.Areas of Work• Cloud file management and navigation.• File upload and download flows.• Account status and storage management.• Deep links and internal routing.• Performance and resource usage optimization.• Accessibility and user experience enhancements.Technologies and Methodologies• Languages: Swift and Objective-C.• Architectures: MVC, MVVM, and evolution towards more decoupled solutions.• Asynchronous programming and modern concurrency in iOS.• Integration with proprietary SDK.• Agile SCRUM methodology.• Use of unit tests and improvement of coverage.• Version control with Git and work based on pull requests.Value Provided• Continuous contribution to a large-scale application.• Improvement of code quality and maintainability.• Ability to work on legacy code without compromising stability.
- Winning Results S.A.
On Malt
Senior iOS EngineerHOSPITALITYJune 2020 - July 2020 (1 month)Evolutionary development for securing the Comandero app. Development of app access security using asymmetric encryption with the RNCryptor framework, as well as the creation of the settings screen.- Language: [Objective-c]- Architecture: [MVVM]- API Type: [SOAP API]- Methodology: [SCRUM]- Devices: [iPhone] [iPad]
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Education
- Master in Mobile Computing (MIMO)Pontifical University of Salamanca2016
- Degree in Computer EngineeringPontifical University of Salamanca2011
Certifications
- App Development with SwiftUI and CombineApple Coding Academy2020
- Advanced App Development with iOS 11 and Swift 4Apple Coding Academy2018