Next.js Learning App Frontend Overhaul / MUST C2 english / MUST UTC+1 (Central European Time (CET)) / MUST Portfolio with public typescript repository (one of those: next.js, react, angular)

I'm looking for a talented developer to rebuild the frontend of my existing [login to view URL] learning app. The new design will be based on a UI configurator, and all changes will need to be extensively documented with clean, maintainable code and thorough unit testing. Key Requirements: - Proficiency in React, Jest, Typescript, Tailwind, HTML, CSS Grids and Flexbox, Drag and Drop, Zustand, and RXJS. - C2 level English for effective communication. - Availability in the UTC +1 / Central European Time (CET) timezone. - A portfolio featuring public repositories built with Typescript, specifically using React, Angular, and Next.js. Focus Areas: - Updating the design to match the new UI configurator. - Improving navigation and layout. - Enhancing interactive elements and responsiveness. - Ensuring accessibility and inclusivity. - Maintaining a standard of clean code. - Implementing comprehensive unit tests. Please provide examples of your clean code practices, along with your bid. I value quality over speed, and I'm looking for a freelancer who shares this philosophy.