Roberto Carrasco Medina

• Designed and executed unit, integration, and End-to-End tests using Jest, React Native Testing Library, and Detox, ensuring high code reliability. Consistently maintained a test coverage above 80%, contributing to a significant reduction in production defects and ensuring the robustness of new code

• Delivered clean, maintainable, and high-quality code by applying industry best practices and robust architectural patterns, significantly reducing QA-reported issues and ensuring smoother testing cycles and more reliable release processes.

• Implemented scalable state management solutions with useContext and Redux, optimizing data flow and improving application performance by at least 15%. Ensured consistent scalability and efficiency.

• Collaborated with multicultural, cross-functional teams of 12+ members to design and deliver innovative solutions addressing complex business challenges, fostering collaboration, efficiency, and high-quality results

• Actively participated in code reviews, delivering constructive feedback and incorporating insights from peer collaboration. Contributed to 200+ code reviews annually, resulting in an improvement in code quality, fewer bugs in production, and strengthened team knowledge sharing.

• Integrated Firebase Analytics for real-time user behavior tracking and implemented Push Notifications, enhancing user engagement, supporting data-driven decisions, and improving user retention.

• Ensured code quality and security by leveraging SonarCloud for static analysis and Snyk for dependency vulnerability scanning. Successfully passed 6+ strict code quality checks on every commit, guaranteeing high standards, secure code, and production readiness.

• Engineered scalable and responsive mobile applications, leading development teams to optimize performance, enhance user experience, and maintain stability under diverse load conditions.

• Collaborated closely with cross-functional teams, including 4+ designers, to define UI/UX requirements, contributing key design insights and delivering high-fidelity implementations aligned with stakeholder expectations.

• Performed continuous updates to the React Native framework, upgrading through 5+ versions, including architecture changes, and evaluated alternative third-party libraries to ensure compatibility with the new architecture.

• Integrated RESTful APIs in collaboration with back-end teams, ensuring comprehensive coverage of all workflows and maintaining functionality even in the presence of application or back-end errors.

• Applied Agile methodologies, including Scrum, to streamline development cycles, enhance team efficiency, and consistently deliver high-quality features on schedule.

• Designed, developed, and maintained high-performance, reusable functional components, enhancing overall application scalability and maintainability by 20%+.

• Successfully integrated Firebase services, including Cloud Firestore and Realtime Database, to enable real-time data synchronization and optimize data storage efficiency, improving data retrieval speeds by 30%.

• Implemented and managed integrations with third-party public APIs, streamlining data retrieval processes and enabling seamless interaction with external services, reducing latency by 25%.