Mathieu Nguyen

Led front-end development for diverse client projects, delivering elegant, high-performant web experiences. Built modular React/Next.js components, established design tokens and a scalable UI library, implemented SEO improvements, and collaborated with PMs and designers in an agile setting. Implemented tests with Jest/Cypress and improved performance through code-splitting and optimization.

Contributed to CRM redesign and feature development in an agile environment, delivering robust, high-performance solutions with comprehensive quality assurance. Built type-safe React components using Flow, established complete test coverage with Jest/Cypress, and integrated visual regression testing into CI/CD pipelines. Implemented SSR/SSG with Next.js for enhanced SEO and load times, optimized performance through caching strategies and lazy loading, and managed GraphQL architecture with Relay for efficient data fetching. Collaborated closely with Product Owners and designers in Scrum ceremonies, conducted code reviews, and maintained technical excellence through regular dependency updates and security audits.

Contributed to the evolution of the international e-commerce website and back-office, closely collaborating with back-end and design teams. Implemented performance optimizations, redesigned components, and contributed to the design system. Built accessible, responsive interfaces using React, Redux, and modern front-end tooling, while ensuring maintainability and scalable code.