João

Joao demonstrated expertise in modern mobile development by leveraging advanced technologies such as Firebase Remote Config for dynamic app behavior, Apollo for seamless GraphQL integration, and custom interceptors for robust network management. Collaborating closely with web development teams, Joao ensured a unified, user-friendly experience across platforms by aligning web and mobile functionalities. Additionally, Joao played a key role in modernizing application design by transitioning native code to Jetpack Compose, creating intuitive and visually appealing user interfaces.

Joao made significant contributions to modernizing financial systems at Latin America’s largest investment bank by enhancing the Fixed Income, Money Exchange, and Pension modules. He took the lead in designing an advanced user experience for pension hiring, introducing innovative features that improved efficiency and usability. By leveraging Android Jetpack, MVVM/MVI architecture, and robust application components, Joao developed scalable and efficient solutions that strengthened the bank’s technological infrastructure and enriched its customer experience.

Joao spearheaded the end-to-end development of IPM, an innovative application designed to monitor machine repair processes, leveraging Clean Architecture and SOLID principles to ensure scalability and maintainability. He implemented key features such as QRCode validation, dynamic reporting, interactive graphics, and messaging, significantly enhancing functionality and user engagement. In addition, Joao led the migration to Jetpack Compose, while exploring cutting-edge technologies like React Native, DevOps practices, and Cloud Essentials, positioning the application for future advancements and technological growth.

Joao was a key contributor to the development and integration of SFA, an application streamlining sales order generation through seamless SAP integration with ERP systems. He improved application performance and user experience by introducing new features, resolving bugs, and optimizing backend integration. Additionally, Joao championed process enhancements by implementing best practices such as Code Review, Continuous Integration, Git Flow, and leveraging Jetpack, ensuring a robust and efficient development workflow.

Joao enhanced the functionality of SivaPlus, a sales automation app focused on streamlining sales operations and data collection. He designed an advanced reporting system by integrating a third-party PDF library, significantly improving its reporting capabilities. By applying MVC architecture, Android/Kotlin, Scrum practices, Firebase, and Git, Joao developed innovative solutions and resolved critical issues, ensuring a more reliable and efficient application.