jesskoss

Sole front-end engineer for mon-devis-sans-oublis, responsible for the entire development using Next.js and TypeScript. Built a scalable architecture with reusable components, unit tests (Jest, React Testing Library), and Storybook documentation.

Developed the company’s website from scratch with Next.js and TypeScript, creating a pixel-perfect, component-based architecture. Implemented unit testing to ensure robustness and maintainability documentation.

Enhanced the mobile app using React Native, Redux Saga, and TypeScript, developing new screens, components, and API integrations. Upgraded React Native from 0.67 to 0.70, improving performance and stability.

Worked on a complete website redesign using React and TypeScript, modernizing the front-end with new reusable components and implementing Storybook for streamlined development.

Maintained and upgraded a legacy React Native app, improving stability and performance while ensuring a smooth user experience.

Developed interactive front-end components in React and TypeScript, integrated unit tests (Jest, React Testing Library), and introduced Storybook to enhance development efficiency.

Participated in a full-stack migration from PHP/Symfony to React, Next.js, and Node.js, implementing a new customer journey and improving the platform’s scalability.

Created a React Native tablet app showcasing before/after photos via the Google Photos API, integrating a QR code for Google reviews to enhance customer engagement.

Contributed to the development and optimization of a logistics platform, implementing new features, database updates (PostgreSQL), and UI enhancements using React and Node.js.