Carlos Grullón Mota

Led the architecture and development of a taxi booking platform using Next.js (TypeScript), GraphQL, and Redux, boosting user engagement by 30% and improving user satisfaction by 25%. Engineered backend systems capable of handling 500+ requests per minute, reducing response times by 15% and improving scalability. Integrated WebSocket functionality for real-time communication, decreasing wait times for users by 15%. Developed and maintained desktop applications using Electron, providing cross-platform solutions for Windows, macOS, and Linux with enhanced offline capabilities. Spearheaded deployment on AWS, supporting up to 15,000 concurrent users, while optimizing routing algorithms to cut trip times by 20%. Collaborative work with cross-functional teams to deliver features on time and with high quality, facilitating regular sprint reviews and retrospectives.

Designed dynamic web solutions with React.js, Angular, Next.js, and Vue.js, and implemented microservices architecture with Docker and Kubernetes, increasing efficiency and scalability. Automated deployment pipelines on AWS and Kubernetes, reducing release cycles by 60%.

Developed and maintained high-performing web applications using React.js, Angular, Next.js, and Vue.js, improving user experience and site performance by 20%. Built and deployed secure backend services with Node.js, Spring Boot, ASP.NET Core, Django, and Flask, improving reliability by 30%. Integrated blockchain technology, including smart contracts and Web3 functionalities. Optimized data retrieval and API performance with GraphQL endpoints, reducing query time by 25%. Ensured 90% test coverage using Mocha, Jest, and Cypress, reducing production defects. Managed AWS cloud infrastructure (EC2, S3, RDS), reducing hosting costs by 30%. Enhanced security via OAuth 2.0 authentication and authorization protocols.