Marcos Vinicius dos Santos

Development of a scalable cross-platform mobile application (Android and iOS) using Flutter/Dart, with strong focus on performance, code quality, and user experience in a product-driven startup environment.

Responsible for delivering new features, complex integrations, and continuous improvements to ensure application stability and business value.

Key responsibilities and technologies:
• Cross-

Developed a scalable cross-platform mobile application using Flutter/Dart, focusing on performance, code quality, and user experience. Delivered new features, complex integrations, and continuous improvements to ensure application stability and business value.

Developed and maintained Flutter components within an existing native architecture, ensuring seamless communication between Flutter and platform-specific code. Provided occasional support for native Android (Kotlin) and iOS (Swift) development, including debugging, feature implementation, and performance optimization.

Responsible for developing and maintaining Flutter components within an existing native architecture, ensuring seamless communication between Flutter and platform-specific code. Also provided occasional support for native Android (Kotlin) and iOS (Swift) development, including debugging, feature implementation, and performance optimization.

Previously contributed to a Flutter Desktop (Windows) pr

Worked on a digital banking mobile application using Flutter and Dart, targeting both iOS and Android, applying BLoC for state management and GetIt for dependency injection
• Designed, implemented, and maintained features following Clean Code and Clean Architecture principles, improving user experience, security, and operational reliability
• Implemented and supported Pix functionalities, includ

Worked on a digital banking mobile application using Flutter and Dart, applying BLoC for state management and GetIt for dependency injection. Designed, implemented, and maintained features following Clean Code and Clean Architecture principles, improving user experience, security, and operational reliability.

Worked as an iOS Developer (Swift) on two digital banking applications, strengthening expertise in native iOS development. Provided Flutter support for an additional banking application and other internal mobile projects within the company.

• Worked as an iOS Developer (Swift) on two digital banking applications, strengthening expertise in native iOS development
• Provided Flutter support for an additional banking application and other internal mobile projects within the company
• Developed iOS features using MVC and MVVM architectures, leveraging RxSwift, UIKit, ViewCode, Alamofire, Delegates, and dependency management with CocoaP

Worked on digital banking and mobile applications for a lawyers' association, using Flutter and Dart, targeting both iOS and Android, applying BLoC and MobX for state management and GetIt for dependency injection. Designed, implemented, and maintained features following Clean Code and Clean Architecture principles, improving user experience, security, and operational reliability.

• Worked on digital banking and mobile applications for a lawyers’ association, using Flutter and Dart, targeting both iOS and Android, applying BLoC and MobX for state management and GetIt for dependency injection
• Designed, implemented, and maintained features following Clean Code and Clean Architecture principles, improving user experience, security, and operational reliability
• Monitored a

Developed and maintained four cross-platform mobile applications using Flutter & Dart for iOS and Android, applying MobX and Flutter Modular. Delivered features following Clean Code and Clean Architecture, improving UX, security, and reliability.

• Developed and maintained four cross-platform mobile applications using Flutter & Dart for iOS and Android, applying MobX and Flutter Modular
• Delivered features following Clean Code and Clean Architecture, improving UX, security, and reliability
• Supported applications handling ~900 concurrent users, contributing to performance tuning and stability
• Monitored and resolved incidents via Fir

Contributed to university-related projects, including academic modules, human resources, and administrative systems. Worked with Java 7 and 11, utilizing technologies such as Spring Framework, JSF, Hibernate, and Struts.

• Contributed to university-related projects, including academic modules, human resources, and administrative systems.
• Worked with Java 7 and 11, utilizing some tecnologies as Spring Framework, JSF, Hibernate, and Struts.
• Developed and optimized databases routines, creating scripts and complex queries in PostgreSQL and SQLite.
• Collaborated on web projects, developed REST APIs, and built user

Completed an MBA in Database Administration with a focus on data modeling, warehousing, and database administration.