Android Developer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Desenvolvedor Mobile Frontend Android based in Brazil.

This is an opportunity to develop native Android experiences within a multidisciplinary squad building a new digital product for the financial sector. You will work primarily with Kotlin, Jetpack Compose and/or Android Views in a modular and scalable architecture. The role combines native mobile development, Server-Driven UI, backend integrations, and a strong focus on performance and reliability.

• Develop and evolve native Android features and experiences using Kotlin.
• Build responsive, fluid interfaces aligned with established UX/UI standards and Google platform guidelines.
• Develop reusable mobile components within a modular and pluggable architecture.
• Implement components and user journeys using Server-Driven UI (SDUI) concepts.
• Interpret backend configurations and contracts to dynamically render interfaces and mobile experiences.
• Integrate Android applications with REST APIs and backend services.
• Manage application state, caching, local persistence, synchronization, and connectivity-related scenarios.
• Implement robust error handling for service failures, unavailable dependencies, and intermittent connectivity.
• Optimize application performance, stability, responsiveness, and overall user experience.
• Apply secure mobile development practices appropriate for applications operating in a financial environment.
• Develop unit and integration tests and contribute to broader automated testing strategies.
• Participate in code reviews and contribute to technical standards, development practices, and architectural decisions.
• Collaborate closely with Backend, Architecture, QA, Product Owners, and UX/UI professionals.
• Contribute to the continuous evolution of the mobile architecture and shared component ecosystem.
• Support application observability, monitoring, troubleshooting, and analysis of runtime failures.

• Professional experience developing native mobile applications, particularly for Android.
• Strong knowledge of Kotlin and experience with Jetpack Compose and/or Android Views.
• Familiarity with mobile architecture patterns such as MVVM, Clean Architecture, or similar approaches.
• Experience integrating mobile applications with REST APIs.
• Solid understanding of JSON and data serialization/deserialization.
• Knowledge of asynchronous programming and concurrency management.
• Experience with mobile application modularization and reusable component design.
• Proficiency with Git and version-control strategies.
• Experience writing unit tests and automated tests for Android applications.
• Familiarity with CI/CD practices applied to mobile development.
• Understanding of Android application lifecycle concepts and Google platform development guidelines.
• Familiarity with OAuth 2.0 and OpenID Connect is an advantage.
• Knowledge of JWT, secure token management, and secure storage of sensitive information on mobile devices is desirable.
• Familiarity with Android Keystore, Certificate Pinning, biometrics, Secure Coding practices, and OWASP Mobile Application Security is a plus.
• Experience in digital banking, fintech, payments, or other financial technology environments is desirable.
• Experience with Server-Driven UI, Super Apps, modular and pluggable architectures, or high-scale and business-critical applications is an advantage.
• Familiarity with Feature Flags and Remote Configuration is a plus.
• Experience with mobile application observability and monitoring is beneficial.
• Knowledge of financial products, payment solutions, or digital wallets is desirable.
• Strong collaboration and communication skills, with the ability to work effectively across technical and product disciplines.
• Analytical and proactive mindset, with attention to application quality, security, performance, and maintainability.

• Opportunity to work on a new digital product within the financial technology sector.
• Exposure to modern Android development, Kotlin, Jetpack Compose, modular architectures, and Server-Driven UI.
• Collaborative multidisciplinary environment involving Engineering, Architecture, QA, Product, and UX/UI teams.
• Opportunity to contribute to technical standards and the evolution of a shared mobile architecture.
• Remote work model within Brazil.
• Professional development opportunities through knowledge-sharing and technical learning initiatives.
• Access to career development and mentorship programs.
• Opportunity to work in a technology-focused environment that values diversity, respect, collaboration, and continuous learning.
• Exposure to challenging projects and opportunities to expand expertise in mobile engineering, security, architecture, and financial technology.