UI/UX design and improvement of existing App and Website

What do we need? We need a UI/UX designer to helps us with: 1-Improvement suggestions of UI and UX 2-Design new features for the app 3-Redesign the website of the app We want someone that continues working with us when we have new feature ideas after this release is done. What is this app? * The app is a reading tracker and social media for readers called booksense. * Readers can add the books they are reading to the app either manually or by scanning ISBN barcode of a book. * Readers then see the library of their books and the info for each book and their progress. * They can start a reading session with a timer and take notes while reading. * After reading session is done they will see their progress is updated and some information about reading streak days and their progress over the last days and months on a chart. * Each reader has a profile with some information about their stats, shelves and current reads, and their latest reading sessions. * They can also search their repository of books and also discover new books based on categories they like. * they also can see, follow and check other user's profiles and see their reading updates in their feed. * Readers can review their notes for each book in a "review" section. * They can also see their notes like instagram stories. * There are many more features in the app What are the new features that we want to add? * : design a user growth path: the concept may be similar to Doulingo app: a growth journey for users to level up by earning points and badges * A leaderboard to compare the user's progress with other users * Allow competition and challenges between users * Reader stat card concept like sport player stat cards * and some other features I can speak Persian and English.