Douglas Yuji Yabuki Email & Phone Number

With a solid foundation in Civil Engineering from Universidade Federal do Paraná and a Technologist Diploma in System Analysis and Development, my professional journey has been anything but conventional. My relentless pursuit of knowledge and specialization in software development has led me to go beyond, transitioning from a role as an IT Technician in the healthcare sector to a passionate Front-end Developer.In my previous role, I led projects to restructure ERP systems, significantly reducing expenses by innovating with SQL reports, workflows, and user guides for all departments.Eager to deepen my understanding and skills, I self-taught HTML, CSS, JavaScript, TypeScript, and Tailwind. My GitHub showcases challenging projects that have deepened my expertise, and my portfolio illustrates part of my journey and achievements as a developer.Recently, I have further expanded my skill set by:-Integrating Datadog's Real User Monitoring (RUM) tool to enhance application performance and user experience insights;-Adopting strict code guidelines to ensure maintainability and scalability;-Innovating by creating custom React components, including a custom toast notification component, without relying on external libraries;-Implementing security improvements by creating profiles in Azure and ensuring route validation;-Utilizing my expertise in regex and React custom hooks to solve complex problems;-Reproducing the Design System from scratch, moving from Material UI to a local solution;-Solving rendering issues with large JSON files, optimizing performance and user experience;-Enhancing application internationalization, ensuring our products can reach a global audience with localized content and interfaces;-Developing notification services to facilitate user engagement and real-time feedback;-Managing and optimizing databases with PostgreSQL, ensuring data integrity and scalability of performance;My expanding skill set reflects my commitment to embracing new challenges and technologies to develop innovative solutions.Explore my work and connect with me to share insights and opportunities.Portfolio: https://portfolio-douglasyabuki.vercel.app/GitHub: https://github.com/douglasyabuki