• You will increase automated test coverage to 90% for critical parts of the application, focusing on areas that are prone to bugs. • You will integrate crash and performance monitoring tools to track and minimize unexpected mobile app behavior in real-time to ensure stability for users through robust error handling, fallback mechanisms, and graceful recovery from failures. • You will lead strategy development on at least one significant feature for the mobile application. • You will work with the team to build, test, and release three core features that involve frontend for React (web) and React Native (mobile). • You will develop an initial baseline and improve performance by 15% in key areas, like reducing application load times and backend request efficiency. • You translate requirements into technical specifications and work to plan, design, develop, and maintain new web and mobile requirements. • Develop and maintain cross-platform features and UI components using React Native (iOS/Android) and React/Ruby on Rails (Web). • Write clean, efficient, and documented code that adheres to established standards and repository organization best practices. • Manage the deployment lifecycle, including contributing to deployment scripts and monitoring post-release application health. • You design, develop, and maintain code integrations and API functionality. • Architect scalable API endpoints and integrations with external systems, ensuring high performance and reliable operation. • Implement robust security measures, including data validation, authentication, and authorization mechanisms. • Optimize and document API performance, providing clear usage guidelines and troubleshooting response times or error handling. • You conduct thorough unit testing of features and bug fixes on both mobile and web platforms to ensure cross-platform consistency and reliability. • Execute comprehensive unit tests to validate the functionality and correctness of individual modules and components. • Manage the full bug lifecycle, from participating in rotation-based error monitoring to root-cause debugging and resolution. • Utilize advanced diagnostic tools, including logging and monitoring systems, to troubleshoot complex technical issues and share findings with the team. • You collaborate with internal and external product, engineering, and quality assurance team members to ensure software products meet the highest standards of quality. • Drive Agile excellence by actively participating in Scrum events, requirement reviews, and technical solution discussions. • Maintain project transparency by communicating progress, risks, and challenges clearly to all stakeholders. • Uphold code quality through rigorous code reviews and a commitment to continuous learning of emerging industry frameworks and best practices. • You support and mentor junior team members in mobile development and full-stack technologies. Guide and mentor engineers through their professional development, offering technical support in mobile and full-stack domains. Foster a culture of improvement by conducting regular knowledge-sharing sessions and providing constructive feedback on peer code.