MOBILE DEVELOPER

Description

Job Summary: Develop and maintain mobile applications using Xamarin, Java, and Flutter, with emphasis on integration, architecture, and code quality. Key Highlights: 1. Mobile Software Development (Xamarin, Java, Flutter) 2. Focus on integration, architecture, and code quality 3. Participation in agile meetings (SCRUM) and code reviews People are our greatest differentiator, directly contributing to the growth of our companies. We are a collective of over 32,000 committed and dedicated professionals who take pride in their work and consistently serve our clients. With a strong culture, we offer an attractive and engaging environment, investing in benefits and providing development programs—extended even to employees' families. We are a diverse company that promotes diversity across all positions, regardless of gender, sexual orientation, race, religion, or disability. **Responsibilities and Duties** **Responsibilities and Duties** **Software Development** * Design and maintain mobile applications in **Xamarin**, **Java**, and **Flutter**. * Implement new features and enhance existing ones. * Develop integrations with REST APIs and backend services. **Code Maintenance** * Fix bugs and issues reported by users. * Update and optimize legacy code in **Xamarin** and **Java**. * Improve performance and compatibility across Android versions. **Integration and Architecture** * Integrate applications with **RESTful services** and other corporate systems. * Apply design patterns (MVVM, Clean Architecture) and mobile development best practices. * Collaborate on migration and modernization of legacy solutions. **Testing and Quality** * Write and execute **unit tests** and **UI tests**. * Ensure application stability and performance. * Use monitoring and debugging tools (e.g., AppCenter, Logcat, Android Studio Profiler). **Documentation and Collaboration** * Document code, APIs, and technical processes. * Participate in **agile meetings (SCRUM)** and code reviews. * Collaborate with backend, UI/UX, and QA teams. **Support and Training** * Support internal users and partner teams during releases and testing. * Provide technical support and production issue diagnostics. **Requirements and Qualifications** **Mandatory** * Solid knowledge of Xamarin.Forms / Xamarin.Android * Experience with Java (native Android) * Experience with Flutter / Dart * Knowledge of RESTful API integration * Experience with GIT * Best practices in Clean Architecture and MVVM * Knowledge of Unit Testing (NUnit, JUnit, Flutter Test) * Familiarity with mobile CI/CD (AppCenter, GitHub Actions, etc.) **Additional Information** * 100% Remote * 14-month project * Contract type: PJ (Individual Entrepreneur) **Vamos** is a unique ecosystem offering alternatives for renewing and expanding fleets of new and used trucks, machinery, and equipment. Accordingly, we build our business daily upon two pillars: renewal and innovation—always aiming to improve our customers’ performance and increase their profitability. **Vamos Locação** is the market leader in heavy vehicle leasing and possesses extensive expertise in asset management. Our portfolio of vehicles and equipment enables customized leasing solutions aligned with each client’s demand. In addition, Vamos offers a range of services, including maintenance, Vamos Controle (telematics solution), and Vamos Carbono Zero—which neutralizes emissions from leased assets. All this not only enhances our customers’ operational capacity but also delivers up to 30% cost savings compared to purchasing vehicles. With **Vamos Seminovos**, we operate in the purchase and sale of used trucks, machinery, and equipment—available for immediate delivery, inspected, backed by provenance guarantees and facilitated financing. Moreover, 90% of Vamos’ used vehicles have had only one owner and are less than seven years old. It’s more than just used—it’s always new! With transparency and simplicity, we lease, sell, buy, and exchange new and used trucks, machinery, and equipment—and continuously improve our service delivery, providing agile, secure, and technologically advanced solutions, thereby enabling the sustained development of our customers. We are a diverse company that promotes diversity across all positions, regardless of gender, sexual orientation, race, religion, or disability.